31700080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5581}}^1$

素因数の和:5665

約数の個数: 40

約数和(自身を含む): 74754144

約数和(自身を除く): 43054064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5581, 5680, 11162, 22324, 27905, 44648, 55810, 89296, 111620, 223240, 396251, 446480, 792502, 1585004, 1981255, 3170008, 3962510, 6340016, 7925020, 15850040, 31700080]

約数ペア:

[(1, 31700080), (2, 15850040), (4, 7925020), (5, 6340016), (8, 3962510), (10, 3170008), (16, 1981255), (20, 1585004), (40, 792502), (71, 446480), (80, 396251), (142, 223240), (284, 111620), (355, 89296), (568, 55810), (710, 44648), (1136, 27905), (1420, 22324), (2840, 11162), (5581, 5680)]