25870960

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{977}}^1$

素因数の和:1321

約数の個数: 40

約数和(自身を含む): 60393456

約数和(自身を除く): 34522496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 977, 1324, 1655, 1954, 2648, 3310, 3908, 4885, 5296, 6620, 7816, 9770, 13240, 15632, 19540, 26480, 39080, 78160, 323387, 646774, 1293548, 1616935, 2587096, 3233870, 5174192, 6467740, 12935480, 25870960]

約数ペア:

[(1, 25870960), (2, 12935480), (4, 6467740), (5, 5174192), (8, 3233870), (10, 2587096), (16, 1616935), (20, 1293548), (40, 646774), (80, 323387), (331, 78160), (662, 39080), (977, 26480), (1324, 19540), (1655, 15632), (1954, 13240), (2648, 9770), (3310, 7816), (3908, 6620), (4885, 5296)]