40589680

素因数分解:

$2^4\times 5^1\times {\mathrm{507371}}^1$

素因数の和:507384

約数の個数: 20

約数和(自身を含む): 94371192

約数和(自身を除く): 53781512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 507371, 1014742, 2029484, 2536855, 4058968, 5073710, 8117936, 10147420, 20294840, 40589680]

約数ペア:

[(1, 40589680), (2, 20294840), (4, 10147420), (5, 8117936), (8, 5073710), (10, 4058968), (16, 2536855), (20, 2029484), (40, 1014742), (80, 507371)]