12935480

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{977}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 29222640

約数和(自身を除く): 16287160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 977, 1324, 1655, 1954, 2648, 3310, 3908, 4885, 6620, 7816, 9770, 13240, 19540, 39080, 323387, 646774, 1293548, 1616935, 2587096, 3233870, 6467740, 12935480]

約数ペア:

[(1, 12935480), (2, 6467740), (4, 3233870), (5, 2587096), (8, 1616935), (10, 1293548), (20, 646774), (40, 323387), (331, 39080), (662, 19540), (977, 13240), (1324, 9770), (1655, 7816), (1954, 6620), (2648, 4885), (3310, 3908)]