68010020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261577}}^1$

素因数の和:261599

約数の個数: 24

約数和(自身を含む): 153807864

約数和(自身を除く): 85797844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 261577, 523154, 1046308, 1307885, 2615770, 3400501, 5231540, 6801002, 13602004, 17002505, 34005010, 68010020]

約数ペア:

[(1, 68010020), (2, 34005010), (4, 17002505), (5, 13602004), (10, 6801002), (13, 5231540), (20, 3400501), (26, 2615770), (52, 1307885), (65, 1046308), (130, 523154), (260, 261577)]