56942840

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{4079}}^1$

素因数の和:4439

約数の個数: 32

約数和(自身を含む): 128520000

約数和(自身を除く): 71577160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 4079, 6980, 8158, 13960, 16316, 20395, 32632, 40790, 81580, 163160, 1423571, 2847142, 5694284, 7117855, 11388568, 14235710, 28471420, 56942840]

約数ペア:

[(1, 56942840), (2, 28471420), (4, 14235710), (5, 11388568), (8, 7117855), (10, 5694284), (20, 2847142), (40, 1423571), (349, 163160), (698, 81580), (1396, 40790), (1745, 32632), (2792, 20395), (3490, 16316), (4079, 13960), (6980, 8158)]