31676680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113131}}^1$

素因数の和:113149

約数の個数: 32

約数和(自身を含む): 81455040

約数和(自身を除く): 49778360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 113131, 226262, 452524, 565655, 791917, 905048, 1131310, 1583834, 2262620, 3167668, 3959585, 4525240, 6335336, 7919170, 15838340, 31676680]

約数ペア:

[(1, 31676680), (2, 15838340), (4, 7919170), (5, 6335336), (7, 4525240), (8, 3959585), (10, 3167668), (14, 2262620), (20, 1583834), (28, 1131310), (35, 905048), (40, 791917), (56, 565655), (70, 452524), (140, 226262), (280, 113131)]