40895620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{33521}}^1$

素因数の和:33591

約数の個数: 24

約数和(自身を含む): 87291288

約数和(自身を除く): 46395668

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 33521, 67042, 134084, 167605, 335210, 670420, 2044781, 4089562, 8179124, 10223905, 20447810, 40895620]

約数ペア:

[(1, 40895620), (2, 20447810), (4, 10223905), (5, 8179124), (10, 4089562), (20, 2044781), (61, 670420), (122, 335210), (244, 167605), (305, 134084), (610, 67042), (1220, 33521)]