868661540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1401067}}^1$

素因数の和:1401107

約数の個数: 24

約数和(自身を含む): 1883035392

約数和(自身を除く): 1014373852

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1401067, 2802134, 5604268, 7005335, 14010670, 28021340, 43433077, 86866154, 173732308, 217165385, 434330770, 868661540]

約数ペア:

[(1, 868661540), (2, 434330770), (4, 217165385), (5, 173732308), (10, 86866154), (20, 43433077), (31, 28021340), (62, 14010670), (124, 7005335), (155, 5604268), (310, 2802134), (620, 1401067)]