181360

素因数分解:

$2^4\times 5^1\times {\mathrm{2267}}^1$

素因数の和:2280

約数の個数: 20

約数和(自身を含む): 421848

約数和(自身を除く): 240488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2267, 4534, 9068, 11335, 18136, 22670, 36272, 45340, 90680, 181360]

約数ペア:

[(1, 181360), (2, 90680), (4, 45340), (5, 36272), (8, 22670), (10, 18136), (16, 11335), (20, 9068), (40, 4534), (80, 2267)]