23028140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{16217}}^1$

素因数の和:16297

約数の個数: 24

約数和(自身を含む): 49043232

約数和(自身を除く): 26015092

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 16217, 32434, 64868, 81085, 162170, 324340, 1151407, 2302814, 4605628, 5757035, 11514070, 23028140]

約数ペア:

[(1, 23028140), (2, 11514070), (4, 5757035), (5, 4605628), (10, 2302814), (20, 1151407), (71, 324340), (142, 162170), (284, 81085), (355, 64868), (710, 32434), (1420, 16217)]