22891640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18461}}^1$

素因数の和:18503

約数の個数: 32

約数和(自身を含む): 53170560

約数和(自身を除く): 30278920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 18461, 36922, 73844, 92305, 147688, 184610, 369220, 572291, 738440, 1144582, 2289164, 2861455, 4578328, 5722910, 11445820, 22891640]

約数ペア:

[(1, 22891640), (2, 11445820), (4, 5722910), (5, 4578328), (8, 2861455), (10, 2289164), (20, 1144582), (31, 738440), (40, 572291), (62, 369220), (124, 184610), (155, 147688), (248, 92305), (310, 73844), (620, 36922), (1240, 18461)]