66221360

素因数分解:

$2^4\times 5^1\times {\mathrm{827767}}^1$

素因数の和:827780

約数の個数: 20

約数和(自身を含む): 153964848

約数和(自身を除く): 87743488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 827767, 1655534, 3311068, 4138835, 6622136, 8277670, 13244272, 16555340, 33110680, 66221360]

約数ペア:

[(1, 66221360), (2, 33110680), (4, 16555340), (5, 13244272), (8, 8277670), (10, 6622136), (16, 4138835), (20, 3311068), (40, 1655534), (80, 827767)]