27663280

素因数分解:

$2^4\times 5^1\times {\mathrm{345791}}^1$

素因数の和:345804

約数の個数: 20

約数和(自身を含む): 64317312

約数和(自身を除く): 36654032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 345791, 691582, 1383164, 1728955, 2766328, 3457910, 5532656, 6915820, 13831640, 27663280]

約数ペア:

[(1, 27663280), (2, 13831640), (4, 6915820), (5, 5532656), (8, 3457910), (10, 2766328), (16, 1728955), (20, 1383164), (40, 691582), (80, 345791)]