245966480

素因数分解:

$2^4\times 5^1\times {\mathrm{3074581}}^1$

素因数の和:3074594

約数の個数: 20

約数和(自身を含む): 571872252

約数和(自身を除く): 325905772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3074581, 6149162, 12298324, 15372905, 24596648, 30745810, 49193296, 61491620, 122983240, 245966480]

約数ペア:

[(1, 245966480), (2, 122983240), (4, 61491620), (5, 49193296), (8, 30745810), (10, 24596648), (16, 15372905), (20, 12298324), (40, 6149162), (80, 3074581)]