2912502680

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{644359}}^1$

素因数の和:644483

約数の個数: 32

約数和(自身を含む): 6611133600

約数和(自身を除く): 3698630920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 644359, 1288718, 2577436, 3221795, 5154872, 6443590, 12887180, 25774360, 72812567, 145625134, 291250268, 364062835, 582500536, 728125670, 1456251340, 2912502680]

約数ペア:

[(1, 2912502680), (2, 1456251340), (4, 728125670), (5, 582500536), (8, 364062835), (10, 291250268), (20, 145625134), (40, 72812567), (113, 25774360), (226, 12887180), (452, 6443590), (565, 5154872), (904, 3221795), (1130, 2577436), (2260, 1288718), (4520, 644359)]