201208123840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20283077}}^1$

素因数の和:20283125

約数の個数: 56

約数和(自身を含む): 494582573952

約数和(自身を除く): 293374450112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 20283077, 40566154, 81132308, 101415385, 162264616, 202830770, 324529232, 405661540, 628775387, 649058464, 811323080, 1257550774, 1298116928, 1622646160, 2515101548, 3143876935, 3245292320, 5030203096, 6287753870, 6490584640, 10060406192, 12575507740, 20120812384, 25151015480, 40241624768, 50302030960, 100604061920, 201208123840]

約数ペア:

[(1, 201208123840), (2, 100604061920), (4, 50302030960), (5, 40241624768), (8, 25151015480), (10, 20120812384), (16, 12575507740), (20, 10060406192), (31, 6490584640), (32, 6287753870), (40, 5030203096), (62, 3245292320), (64, 3143876935), (80, 2515101548), (124, 1622646160), (155, 1298116928), (160, 1257550774), (248, 811323080), (310, 649058464), (320, 628775387), (496, 405661540), (620, 324529232), (992, 202830770), (1240, 162264616), (1984, 101415385), (2480, 81132308), (4960, 40566154), (9920, 20283077)]