20199077600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{8059}}^1$

素因数の和:8333

約数の個数: 144

約数和(自身を含む): 53331117840

約数和(自身を除く): 33132040240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 241, 260, 325, 400, 416, 482, 520, 650, 800, 964, 1040, 1205, 1300, 1928, 2080, 2410, 2600, 3133, 3856, 4820, 5200, 6025, 6266, 7712, 8059, 9640, 10400, 12050, 12532, 15665, 16118, 19280, 24100, 25064, 31330, 32236, 38560, 40295, 48200, 50128, 62660, 64472, 78325, 80590, 96400, 100256, 104767, 125320, 128944, 156650, 161180, 192800, 201475, 209534, 250640, 257888, 313300, 322360, 402950, 419068, 501280, 523835, 626600, 644720, 805900, 838136, 1047670, 1253200, 1289440, 1611800, 1676272, 1942219, 2095340, 2506400, 2619175, 3223600, 3352544, 3884438, 4190680, 5238350, 6447200, 7768876, 8381360, 9711095, 10476700, 15537752, 16762720, 19422190, 20953400, 25248847, 31075504, 38844380, 41906800, 48555475, 50497694, 62151008, 77688760, 83813600, 97110950, 100995388, 126244235, 155377520, 194221900, 201990776, 252488470, 310755040, 388443800, 403981552, 504976940, 631221175, 776887600, 807963104, 1009953880, 1262442350, 1553775200, 2019907760, 2524884700, 4039815520, 5049769400, 10099538800, 20199077600]

約数ペア:

[(1, 20199077600), (2, 10099538800), (4, 5049769400), (5, 4039815520), (8, 2524884700), (10, 2019907760), (13, 1553775200), (16, 1262442350), (20, 1009953880), (25, 807963104), (26, 776887600), (32, 631221175), (40, 504976940), (50, 403981552), (52, 388443800), (65, 310755040), (80, 252488470), (100, 201990776), (104, 194221900), (130, 155377520), (160, 126244235), (200, 100995388), (208, 97110950), (241, 83813600), (260, 77688760), (325, 62151008), (400, 50497694), (416, 48555475), (482, 41906800), (520, 38844380), (650, 31075504), (800, 25248847), (964, 20953400), (1040, 19422190), (1205, 16762720), (1300, 15537752), (1928, 10476700), (2080, 9711095), (2410, 8381360), (2600, 7768876), (3133, 6447200), (3856, 5238350), (4820, 4190680), (5200, 3884438), (6025, 3352544), (6266, 3223600), (7712, 2619175), (8059, 2506400), (9640, 2095340), (10400, 1942219), (12050, 1676272), (12532, 1611800), (15665, 1289440), (16118, 1253200), (19280, 1047670), (24100, 838136), (25064, 805900), (31330, 644720), (32236, 626600), (38560, 523835), (40295, 501280), (48200, 419068), (50128, 402950), (62660, 322360), (64472, 313300), (78325, 257888), (80590, 250640), (96400, 209534), (100256, 201475), (104767, 192800), (125320, 161180), (128944, 156650)]