64376020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{24571}}^1$

素因数の和:24711

約数の個数: 24

約数和(自身を含む): 136227168

約数和(自身を除く): 71851148

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 24571, 49142, 98284, 122855, 245710, 491420, 3218801, 6437602, 12875204, 16094005, 32188010, 64376020]

約数ペア:

[(1, 64376020), (2, 32188010), (4, 16094005), (5, 12875204), (10, 6437602), (20, 3218801), (131, 491420), (262, 245710), (524, 122855), (655, 98284), (1310, 49142), (2620, 24571)]