31239220

素因数分解:

$2^2\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{1489}}^1$

素因数の和:2547

約数の個数: 24

約数和(自身を含む): 65709000

約数和(自身を除く): 34469780

約数列:

[1, 2, 4, 5, 10, 20, 1049, 1489, 2098, 2978, 4196, 5245, 5956, 7445, 10490, 14890, 20980, 29780, 1561961, 3123922, 6247844, 7809805, 15619610, 31239220]

約数ペア:

[(1, 31239220), (2, 15619610), (4, 7809805), (5, 6247844), (10, 3123922), (20, 1561961), (1049, 29780), (1489, 20980), (2098, 14890), (2978, 10490), (4196, 7445), (5245, 5956)]