520020858760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{787}}^1\times {\mathrm{74747}}^1$

素因数の和:75575

約数の個数: 128

約数和(自身を含む): 1335884296320

約数和(自身を除く): 815863437560

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 787, 884, 1105, 1574, 1768, 2210, 3148, 3935, 4420, 6296, 7870, 8840, 10231, 13379, 15740, 20462, 26758, 31480, 40924, 51155, 53516, 66895, 74747, 81848, 102310, 107032, 133790, 149494, 173927, 204620, 267580, 298988, 347854, 373735, 409240, 535160, 597976, 695708, 747470, 869635, 971711, 1270699, 1391416, 1494940, 1739270, 1943422, 2541398, 2989880, 3478540, 3886844, 4858555, 5082796, 6353495, 6957080, 7773688, 9717110, 10165592, 12706990, 16519087, 19434220, 25413980, 33038174, 38868440, 50827960, 58825889, 66076348, 82595435, 117651778, 132152696, 165190870, 235303556, 294129445, 330381740, 470607112, 588258890, 660763480, 764736557, 1000040113, 1176517780, 1529473114, 2000080226, 2353035560, 3058946228, 3823682785, 4000160452, 5000200565, 6117892456, 7647365570, 8000320904, 10000401130, 13000521469, 15294731140, 20000802260, 26001042938, 30589462280, 40001604520, 52002085876, 65002607345, 104004171752, 130005214690, 260010429380, 520020858760]

約数ペア:

[(1, 520020858760), (2, 260010429380), (4, 130005214690), (5, 104004171752), (8, 65002607345), (10, 52002085876), (13, 40001604520), (17, 30589462280), (20, 26001042938), (26, 20000802260), (34, 15294731140), (40, 13000521469), (52, 10000401130), (65, 8000320904), (68, 7647365570), (85, 6117892456), (104, 5000200565), (130, 4000160452), (136, 3823682785), (170, 3058946228), (221, 2353035560), (260, 2000080226), (340, 1529473114), (442, 1176517780), (520, 1000040113), (680, 764736557), (787, 660763480), (884, 588258890), (1105, 470607112), (1574, 330381740), (1768, 294129445), (2210, 235303556), (3148, 165190870), (3935, 132152696), (4420, 117651778), (6296, 82595435), (7870, 66076348), (8840, 58825889), (10231, 50827960), (13379, 38868440), (15740, 33038174), (20462, 25413980), (26758, 19434220), (31480, 16519087), (40924, 12706990), (51155, 10165592), (53516, 9717110), (66895, 7773688), (74747, 6957080), (81848, 6353495), (102310, 5082796), (107032, 4858555), (133790, 3886844), (149494, 3478540), (173927, 2989880), (204620, 2541398), (267580, 1943422), (298988, 1739270), (347854, 1494940), (373735, 1391416), (409240, 1270699), (535160, 971711), (597976, 869635), (695708, 747470)]