25459240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 60984000

約数和(自身を除く): 35524760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 152, 190, 241, 278, 380, 482, 556, 695, 760, 964, 1112, 1205, 1390, 1928, 2410, 2641, 2780, 4579, 4820, 5282, 5560, 9158, 9640, 10564, 13205, 18316, 21128, 22895, 26410, 33499, 36632, 45790, 52820, 66998, 91580, 105640, 133996, 167495, 183160, 267992, 334990, 636481, 669980, 1272962, 1339960, 2545924, 3182405, 5091848, 6364810, 12729620, 25459240]

約数ペア:

[(1, 25459240), (2, 12729620), (4, 6364810), (5, 5091848), (8, 3182405), (10, 2545924), (19, 1339960), (20, 1272962), (38, 669980), (40, 636481), (76, 334990), (95, 267992), (139, 183160), (152, 167495), (190, 133996), (241, 105640), (278, 91580), (380, 66998), (482, 52820), (556, 45790), (695, 36632), (760, 33499), (964, 26410), (1112, 22895), (1205, 21128), (1390, 18316), (1928, 13205), (2410, 10564), (2641, 9640), (2780, 9158), (4579, 5560), (4820, 5282)]