782023642040

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5821}}^1\times {\mathrm{13381}}^1$

素因数の和:19464

約数の個数: 64

約数和(自身を含む): 1766998890720

約数和(自身を除く): 984975248680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 5821, 10040, 11642, 13381, 23284, 26762, 29105, 46568, 53524, 58210, 66905, 107048, 116420, 133810, 232840, 267620, 535240, 1461071, 2922142, 3358631, 5844284, 6717262, 7305355, 11688568, 13434524, 14610710, 16793155, 26869048, 29221420, 33586310, 58442840, 67172620, 77890801, 134345240, 155781602, 311563204, 389454005, 623126408, 778908010, 1557816020, 3115632040, 19550591051, 39101182102, 78202364204, 97752955255, 156404728408, 195505910510, 391011821020, 782023642040]

約数ペア:

[(1, 782023642040), (2, 391011821020), (4, 195505910510), (5, 156404728408), (8, 97752955255), (10, 78202364204), (20, 39101182102), (40, 19550591051), (251, 3115632040), (502, 1557816020), (1004, 778908010), (1255, 623126408), (2008, 389454005), (2510, 311563204), (5020, 155781602), (5821, 134345240), (10040, 77890801), (11642, 67172620), (13381, 58442840), (23284, 33586310), (26762, 29221420), (29105, 26869048), (46568, 16793155), (53524, 14610710), (58210, 13434524), (66905, 11688568), (107048, 7305355), (116420, 6717262), (133810, 5844284), (232840, 3358631), (267620, 2922142), (535240, 1461071)]