2121080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4079}}^1$

素因数の和:4103

約数の個数: 32

約数和(自身を含む): 5140800

約数和(自身を除く): 3019720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4079, 8158, 16316, 20395, 32632, 40790, 53027, 81580, 106054, 163160, 212108, 265135, 424216, 530270, 1060540, 2121080]

約数ペア:

[(1, 2121080), (2, 1060540), (4, 530270), (5, 424216), (8, 265135), (10, 212108), (13, 163160), (20, 106054), (26, 81580), (40, 53027), (52, 40790), (65, 32632), (104, 20395), (130, 16316), (260, 8158), (520, 4079)]