25741240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 66744000

約数和(自身を除く): 41002760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 617, 745, 1043, 1192, 1234, 1490, 2086, 2468, 2980, 3085, 4172, 4319, 4936, 5215, 5960, 6170, 8344, 8638, 10430, 12340, 17276, 20860, 21595, 24680, 34552, 41720, 43190, 86380, 91933, 172760, 183866, 367732, 459665, 643531, 735464, 919330, 1287062, 1838660, 2574124, 3217655, 3677320, 5148248, 6435310, 12870620, 25741240]

約数ペア:

[(1, 25741240), (2, 12870620), (4, 6435310), (5, 5148248), (7, 3677320), (8, 3217655), (10, 2574124), (14, 1838660), (20, 1287062), (28, 919330), (35, 735464), (40, 643531), (56, 459665), (70, 367732), (140, 183866), (149, 172760), (280, 91933), (298, 86380), (596, 43190), (617, 41720), (745, 34552), (1043, 24680), (1192, 21595), (1234, 20860), (1490, 17276), (2086, 12340), (2468, 10430), (2980, 8638), (3085, 8344), (4172, 6170), (4319, 5960), (4936, 5215)]