68457740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1049}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 155584800

約数和(自身を除く): 87127060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 251, 260, 502, 1004, 1049, 1255, 2098, 2510, 3263, 4196, 5020, 5245, 6526, 10490, 13052, 13637, 16315, 20980, 27274, 32630, 54548, 65260, 68185, 136370, 263299, 272740, 526598, 1053196, 1316495, 2632990, 3422887, 5265980, 6845774, 13691548, 17114435, 34228870, 68457740]

約数ペア:

[(1, 68457740), (2, 34228870), (4, 17114435), (5, 13691548), (10, 6845774), (13, 5265980), (20, 3422887), (26, 2632990), (52, 1316495), (65, 1053196), (130, 526598), (251, 272740), (260, 263299), (502, 136370), (1004, 68185), (1049, 65260), (1255, 54548), (2098, 32630), (2510, 27274), (3263, 20980), (4196, 16315), (5020, 13637), (5245, 13052), (6526, 10490)]