15913880

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3037}}^1$

素因数の和:3179

約数の個数: 32

約数和(自身を含む): 36091440

約数和(自身を除く): 20177560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 3037, 5240, 6074, 12148, 15185, 24296, 30370, 60740, 121480, 397847, 795694, 1591388, 1989235, 3182776, 3978470, 7956940, 15913880]

約数ペア:

[(1, 15913880), (2, 7956940), (4, 3978470), (5, 3182776), (8, 1989235), (10, 1591388), (20, 795694), (40, 397847), (131, 121480), (262, 60740), (524, 30370), (655, 24296), (1048, 15185), (1310, 12148), (2620, 6074), (3037, 5240)]