8021216860

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1699}}^1\times {\mathrm{2089}}^1$

素因数の和:3910

約数の個数: 48

約数和(自身を含む): 17011764000

約数和(自身を除く): 8990547140

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 1699, 2089, 2260, 3398, 4178, 6796, 8356, 8495, 10445, 16990, 20890, 33980, 41780, 191987, 236057, 383974, 472114, 767948, 944228, 959935, 1180285, 1919870, 2360570, 3549211, 3839740, 4721140, 7098422, 14196844, 17746055, 35492110, 70984220, 401060843, 802121686, 1604243372, 2005304215, 4010608430, 8021216860]

約数ペア:

[(1, 8021216860), (2, 4010608430), (4, 2005304215), (5, 1604243372), (10, 802121686), (20, 401060843), (113, 70984220), (226, 35492110), (452, 17746055), (565, 14196844), (1130, 7098422), (1699, 4721140), (2089, 3839740), (2260, 3549211), (3398, 2360570), (4178, 1919870), (6796, 1180285), (8356, 959935), (8495, 944228), (10445, 767948), (16990, 472114), (20890, 383974), (33980, 236057), (41780, 191987)]