31800080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30577}}^1$

素因数の和:30603

約数の個数: 40

約数和(自身を含む): 79625112

約数和(自身を除く): 47825032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30577, 61154, 122308, 152885, 244616, 305770, 397501, 489232, 611540, 795002, 1223080, 1590004, 1987505, 2446160, 3180008, 3975010, 6360016, 7950020, 15900040, 31800080]

約数ペア:

[(1, 31800080), (2, 15900040), (4, 7950020), (5, 6360016), (8, 3975010), (10, 3180008), (13, 2446160), (16, 1987505), (20, 1590004), (26, 1223080), (40, 795002), (52, 611540), (65, 489232), (80, 397501), (104, 305770), (130, 244616), (208, 152885), (260, 122308), (520, 61154), (1040, 30577)]