15892640

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1485

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 22209760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1399, 1420, 2272, 2798, 2840, 5596, 5680, 6995, 11192, 11360, 13990, 22384, 27980, 44768, 55960, 99329, 111920, 198658, 223840, 397316, 496645, 794632, 993290, 1589264, 1986580, 3178528, 3973160, 7946320, 15892640]

約数ペア:

[(1, 15892640), (2, 7946320), (4, 3973160), (5, 3178528), (8, 1986580), (10, 1589264), (16, 993290), (20, 794632), (32, 496645), (40, 397316), (71, 223840), (80, 198658), (142, 111920), (160, 99329), (284, 55960), (355, 44768), (568, 27980), (710, 22384), (1136, 13990), (1399, 11360), (1420, 11192), (2272, 6995), (2798, 5680), (2840, 5596)]