16507420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{491}}^1$

素因数の和:582

約数の個数: 36

約数和(自身を含む): 35604072

約数和(自身を除く): 19096652

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 491, 820, 982, 1681, 1964, 2455, 3362, 4910, 6724, 8405, 9820, 16810, 20131, 33620, 40262, 80524, 100655, 201310, 402620, 825371, 1650742, 3301484, 4126855, 8253710, 16507420]

約数ペア:

[(1, 16507420), (2, 8253710), (4, 4126855), (5, 3301484), (10, 1650742), (20, 825371), (41, 402620), (82, 201310), (164, 100655), (205, 80524), (410, 40262), (491, 33620), (820, 20131), (982, 16810), (1681, 9820), (1964, 8405), (2455, 6724), (3362, 4910)]