889679960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1710923}}^1$

素因数の和:1710947

約数の個数: 32

約数和(自身を含む): 2155764240

約数和(自身を除く): 1266084280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1710923, 3421846, 6843692, 8554615, 13687384, 17109230, 22241999, 34218460, 44483998, 68436920, 88967996, 111209995, 177935992, 222419990, 444839980, 889679960]

約数ペア:

[(1, 889679960), (2, 444839980), (4, 222419990), (5, 177935992), (8, 111209995), (10, 88967996), (13, 68436920), (20, 44483998), (26, 34218460), (40, 22241999), (52, 17109230), (65, 13687384), (104, 8554615), (130, 6843692), (260, 3421846), (520, 1710923)]