49401820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{757}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 112317408

約数和(自身を除く): 62915588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 251, 260, 502, 757, 1004, 1255, 1514, 2510, 3028, 3263, 3785, 5020, 6526, 7570, 9841, 13052, 15140, 16315, 19682, 32630, 39364, 49205, 65260, 98410, 190007, 196820, 380014, 760028, 950035, 1900070, 2470091, 3800140, 4940182, 9880364, 12350455, 24700910, 49401820]

約数ペア:

[(1, 49401820), (2, 24700910), (4, 12350455), (5, 9880364), (10, 4940182), (13, 3800140), (20, 2470091), (26, 1900070), (52, 950035), (65, 760028), (130, 380014), (251, 196820), (260, 190007), (502, 98410), (757, 65260), (1004, 49205), (1255, 39364), (1514, 32630), (2510, 19682), (3028, 16315), (3263, 15140), (3785, 13052), (5020, 9841), (6526, 7570)]