3638480

素因数分解:

$2^4\times 5^1\times {\mathrm{45481}}^1$

素因数の和:45494

約数の個数: 20

約数和(自身を含む): 8459652

約数和(自身を除く): 4821172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 45481, 90962, 181924, 227405, 363848, 454810, 727696, 909620, 1819240, 3638480]

約数ペア:

[(1, 3638480), (2, 1819240), (4, 909620), (5, 727696), (8, 454810), (10, 363848), (16, 227405), (20, 181924), (40, 90962), (80, 45481)]