15641540

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2131}}^1$

素因数の和:2507

約数の個数: 24

約数和(自身を含む): 32952192

約数和(自身を除く): 17310652

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 2131, 3670, 4262, 7340, 8524, 10655, 21310, 42620, 782077, 1564154, 3128308, 3910385, 7820770, 15641540]

約数ペア:

[(1, 15641540), (2, 7820770), (4, 3910385), (5, 3128308), (10, 1564154), (20, 782077), (367, 42620), (734, 21310), (1468, 10655), (1835, 8524), (2131, 7340), (3670, 4262)]