25162390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 52420608

約数和(自身を除く): 27258218

約数列:

[1, 2, 5, 10, 11, 22, 31, 47, 55, 62, 94, 110, 155, 157, 235, 310, 314, 341, 470, 517, 682, 785, 1034, 1457, 1570, 1705, 1727, 2585, 2914, 3410, 3454, 4867, 5170, 7285, 7379, 8635, 9734, 14570, 14758, 16027, 17270, 24335, 32054, 36895, 48670, 53537, 73790, 80135, 81169, 107074, 160270, 162338, 228749, 267685, 405845, 457498, 535370, 811690, 1143745, 2287490, 2516239, 5032478, 12581195, 25162390]

約数ペア:

[(1, 25162390), (2, 12581195), (5, 5032478), (10, 2516239), (11, 2287490), (22, 1143745), (31, 811690), (47, 535370), (55, 457498), (62, 405845), (94, 267685), (110, 228749), (155, 162338), (157, 160270), (235, 107074), (310, 81169), (314, 80135), (341, 73790), (470, 53537), (517, 48670), (682, 36895), (785, 32054), (1034, 24335), (1457, 17270), (1570, 16027), (1705, 14758), (1727, 14570), (2585, 9734), (2914, 8635), (3410, 7379), (3454, 7285), (4867, 5170)]