15986800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2351}}^1$

素因数の和:2386

約数の個数: 60

約数和(自身を含む): 40684896

約数和(自身を除く): 24698096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 2351, 3400, 4702, 6800, 9404, 11755, 18808, 23510, 37616, 39967, 47020, 58775, 79934, 94040, 117550, 159868, 188080, 199835, 235100, 319736, 399670, 470200, 639472, 799340, 940400, 999175, 1598680, 1998350, 3197360, 3996700, 7993400, 15986800]

約数ペア:

[(1, 15986800), (2, 7993400), (4, 3996700), (5, 3197360), (8, 1998350), (10, 1598680), (16, 999175), (17, 940400), (20, 799340), (25, 639472), (34, 470200), (40, 399670), (50, 319736), (68, 235100), (80, 199835), (85, 188080), (100, 159868), (136, 117550), (170, 94040), (200, 79934), (272, 58775), (340, 47020), (400, 39967), (425, 37616), (680, 23510), (850, 18808), (1360, 11755), (1700, 9404), (2351, 6800), (3400, 4702)]