64751780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{111641}}^1$

素因数の和:111679

約数の個数: 24

約数和(自身を含む): 140668920

約数和(自身を除く): 75917140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 111641, 223282, 446564, 558205, 1116410, 2232820, 3237589, 6475178, 12950356, 16187945, 32375890, 64751780]

約数ペア:

[(1, 64751780), (2, 32375890), (4, 16187945), (5, 12950356), (10, 6475178), (20, 3237589), (29, 2232820), (58, 1116410), (116, 558205), (145, 446564), (290, 223282), (580, 111641)]