64189660

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{3643}}^1$

素因数の和:4533

約数の個数: 24

約数和(自身を含む): 134988336

約数和(自身を除く): 70798676

約数列:

[1, 2, 4, 5, 10, 20, 881, 1762, 3524, 3643, 4405, 7286, 8810, 14572, 17620, 18215, 36430, 72860, 3209483, 6418966, 12837932, 16047415, 32094830, 64189660]

約数ペア:

[(1, 64189660), (2, 32094830), (4, 16047415), (5, 12837932), (10, 6418966), (20, 3209483), (881, 72860), (1762, 36430), (3524, 18215), (3643, 17620), (4405, 14572), (7286, 8810)]