15992560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4649}}^1$

素因数の和:4705

約数の個数: 40

約数和(自身を含む): 38055600

約数和(自身を除く): 22063040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 4649, 9298, 18596, 23245, 37192, 46490, 74384, 92980, 185960, 199907, 371920, 399814, 799628, 999535, 1599256, 1999070, 3198512, 3998140, 7996280, 15992560]

約数ペア:

[(1, 15992560), (2, 7996280), (4, 3998140), (5, 3198512), (8, 1999070), (10, 1599256), (16, 999535), (20, 799628), (40, 399814), (43, 371920), (80, 199907), (86, 185960), (172, 92980), (215, 74384), (344, 46490), (430, 37192), (688, 23245), (860, 18596), (1720, 9298), (3440, 4649)]