2509160

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 5697000

約数和(自身を除く): 3187840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 421, 596, 745, 842, 1192, 1490, 1684, 2105, 2980, 3368, 4210, 5960, 8420, 16840, 62729, 125458, 250916, 313645, 501832, 627290, 1254580, 2509160]

約数ペア:

[(1, 2509160), (2, 1254580), (4, 627290), (5, 501832), (8, 313645), (10, 250916), (20, 125458), (40, 62729), (149, 16840), (298, 8420), (421, 5960), (596, 4210), (745, 3368), (842, 2980), (1192, 2105), (1490, 1684)]