7172540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8747}}^1$

素因数の和:8797

約数の個数: 24

約数和(自身を含む): 15431472

約数和(自身を除く): 8258932

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 8747, 17494, 34988, 43735, 87470, 174940, 358627, 717254, 1434508, 1793135, 3586270, 7172540]

約数ペア:

[(1, 7172540), (2, 3586270), (4, 1793135), (5, 1434508), (10, 717254), (20, 358627), (41, 174940), (82, 87470), (164, 43735), (205, 34988), (410, 17494), (820, 8747)]