2019907760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{8059}}^1$

素因数の和:8326

約数の個数: 80

約数和(自身を含む): 5079154080

約数和(自身を除く): 3059246320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 241, 260, 482, 520, 964, 1040, 1205, 1928, 2410, 3133, 3856, 4820, 6266, 8059, 9640, 12532, 15665, 16118, 19280, 25064, 31330, 32236, 40295, 50128, 62660, 64472, 80590, 104767, 125320, 128944, 161180, 209534, 250640, 322360, 419068, 523835, 644720, 838136, 1047670, 1676272, 1942219, 2095340, 3884438, 4190680, 7768876, 8381360, 9711095, 15537752, 19422190, 25248847, 31075504, 38844380, 50497694, 77688760, 100995388, 126244235, 155377520, 201990776, 252488470, 403981552, 504976940, 1009953880, 2019907760]

約数ペア:

[(1, 2019907760), (2, 1009953880), (4, 504976940), (5, 403981552), (8, 252488470), (10, 201990776), (13, 155377520), (16, 126244235), (20, 100995388), (26, 77688760), (40, 50497694), (52, 38844380), (65, 31075504), (80, 25248847), (104, 19422190), (130, 15537752), (208, 9711095), (241, 8381360), (260, 7768876), (482, 4190680), (520, 3884438), (964, 2095340), (1040, 1942219), (1205, 1676272), (1928, 1047670), (2410, 838136), (3133, 644720), (3856, 523835), (4820, 419068), (6266, 322360), (8059, 250640), (9640, 209534), (12532, 161180), (15665, 128944), (16118, 125320), (19280, 104767), (25064, 80590), (31330, 64472), (32236, 62660), (40295, 50128)]