16372940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{487}}^1$

素因数の和:578

約数の個数: 36

約数和(自身を含む): 35314608

約数和(自身を除く): 18941668

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 487, 820, 974, 1681, 1948, 2435, 3362, 4870, 6724, 8405, 9740, 16810, 19967, 33620, 39934, 79868, 99835, 199670, 399340, 818647, 1637294, 3274588, 4093235, 8186470, 16372940]

約数ペア:

[(1, 16372940), (2, 8186470), (4, 4093235), (5, 3274588), (10, 1637294), (20, 818647), (41, 399340), (82, 199670), (164, 99835), (205, 79868), (410, 39934), (487, 33620), (820, 19967), (974, 16810), (1681, 9740), (1948, 8405), (2435, 6724), (3362, 4870)]