49739120

素因数分解:

$2^4\times 5^1\times {\mathrm{621739}}^1$

素因数の和:621752

約数の個数: 20

約数和(自身を含む): 115643640

約数和(自身を除く): 65904520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 621739, 1243478, 2486956, 3108695, 4973912, 6217390, 9947824, 12434780, 24869560, 49739120]

約数ペア:

[(1, 49739120), (2, 24869560), (4, 12434780), (5, 9947824), (8, 6217390), (10, 4973912), (16, 3108695), (20, 2486956), (40, 1243478), (80, 621739)]