140807080

素因数分解:

$2^3\times 5^1\times {\mathrm{863}}^1\times {\mathrm{4079}}^1$

素因数の和:4953

約数の個数: 32

約数和(自身を含む): 317260800

約数和(自身を除く): 176453720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 863, 1726, 3452, 4079, 4315, 6904, 8158, 8630, 16316, 17260, 20395, 32632, 34520, 40790, 81580, 163160, 3520177, 7040354, 14080708, 17600885, 28161416, 35201770, 70403540, 140807080]

約数ペア:

[(1, 140807080), (2, 70403540), (4, 35201770), (5, 28161416), (8, 17600885), (10, 14080708), (20, 7040354), (40, 3520177), (863, 163160), (1726, 81580), (3452, 40790), (4079, 34520), (4315, 32632), (6904, 20395), (8158, 17260), (8630, 16316)]