418480

素因数分解:

$2^4\times 5^1\times {\mathrm{5231}}^1$

素因数の和:5244

約数の個数: 20

約数和(自身を含む): 973152

約数和(自身を除く): 554672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5231, 10462, 20924, 26155, 41848, 52310, 83696, 104620, 209240, 418480]

約数ペア:

[(1, 418480), (2, 209240), (4, 104620), (5, 83696), (8, 52310), (10, 41848), (16, 26155), (20, 20924), (40, 10462), (80, 5231)]