25154020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 56448000

約数和(自身を除く): 31293980

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1399, 1798, 2798, 3596, 4495, 5596, 6995, 8990, 13990, 17980, 27980, 40571, 43369, 81142, 86738, 162284, 173476, 202855, 216845, 405710, 433690, 811420, 867380, 1257701, 2515402, 5030804, 6288505, 12577010, 25154020]

約数ペア:

[(1, 25154020), (2, 12577010), (4, 6288505), (5, 5030804), (10, 2515402), (20, 1257701), (29, 867380), (31, 811420), (58, 433690), (62, 405710), (116, 216845), (124, 202855), (145, 173476), (155, 162284), (290, 86738), (310, 81142), (580, 43369), (620, 40571), (899, 27980), (1399, 17980), (1798, 13990), (2798, 8990), (3596, 6995), (4495, 5596)]