2987660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11491}}^1$

素因数の和:11513

約数の個数: 24

約数和(自身を含む): 6757296

約数和(自身を除く): 3769636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 11491, 22982, 45964, 57455, 114910, 149383, 229820, 298766, 597532, 746915, 1493830, 2987660]

約数ペア:

[(1, 2987660), (2, 1493830), (4, 746915), (5, 597532), (10, 298766), (13, 229820), (20, 149383), (26, 114910), (52, 57455), (65, 45964), (130, 22982), (260, 11491)]