86855800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{14009}}^1$

素因数の和:14056

約数の個数: 48

約数和(自身を含む): 208468800

約数和(自身を除く): 121613000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 14009, 28018, 56036, 70045, 112072, 140090, 280180, 350225, 434279, 560360, 700450, 868558, 1400900, 1737116, 2171395, 2801800, 3474232, 4342790, 8685580, 10856975, 17371160, 21713950, 43427900, 86855800]

約数ペア:

[(1, 86855800), (2, 43427900), (4, 21713950), (5, 17371160), (8, 10856975), (10, 8685580), (20, 4342790), (25, 3474232), (31, 2801800), (40, 2171395), (50, 1737116), (62, 1400900), (100, 868558), (124, 700450), (155, 560360), (200, 434279), (248, 350225), (310, 280180), (620, 140090), (775, 112072), (1240, 70045), (1550, 56036), (3100, 28018), (6200, 14009)]