39629680

素因数分解:

$2^4\times 5^1\times {\mathrm{495371}}^1$

素因数の和:495384

約数の個数: 20

約数和(自身を含む): 92139192

約数和(自身を除く): 52509512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 495371, 990742, 1981484, 2476855, 3962968, 4953710, 7925936, 9907420, 19814840, 39629680]

約数ペア:

[(1, 39629680), (2, 19814840), (4, 9907420), (5, 7925936), (8, 4953710), (10, 3962968), (16, 2476855), (20, 1981484), (40, 990742), (80, 495371)]