42907640

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4451}}^1$

素因数の和:4703

約数の個数: 32

約数和(自身を含む): 96964560

約数和(自身を除く): 54056920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4451, 4820, 8902, 9640, 17804, 22255, 35608, 44510, 89020, 178040, 1072691, 2145382, 4290764, 5363455, 8581528, 10726910, 21453820, 42907640]

約数ペア:

[(1, 42907640), (2, 21453820), (4, 10726910), (5, 8581528), (8, 5363455), (10, 4290764), (20, 2145382), (40, 1072691), (241, 178040), (482, 89020), (964, 44510), (1205, 35608), (1928, 22255), (2410, 17804), (4451, 9640), (4820, 8902)]