31853720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19423}}^1$

素因数の和:19475

約数の個数: 32

約数和(自身を含む): 73422720

約数和(自身を除く): 41569000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 19423, 38846, 77692, 97115, 155384, 194230, 388460, 776920, 796343, 1592686, 3185372, 3981715, 6370744, 7963430, 15926860, 31853720]

約数ペア:

[(1, 31853720), (2, 15926860), (4, 7963430), (5, 6370744), (8, 3981715), (10, 3185372), (20, 1592686), (40, 796343), (41, 776920), (82, 388460), (164, 194230), (205, 155384), (328, 97115), (410, 77692), (820, 38846), (1640, 19423)]