1409001040

素因数分解:

$2^4\times 5^1\times {\mathrm{17612513}}^1$

素因数の和:17612526

約数の個数: 20

約数和(自身を含む): 3275927604

約数和(自身を除く): 1866926564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 17612513, 35225026, 70450052, 88062565, 140900104, 176125130, 281800208, 352250260, 704500520, 1409001040]

約数ペア:

[(1, 1409001040), (2, 704500520), (4, 352250260), (5, 281800208), (8, 176125130), (10, 140900104), (16, 88062565), (20, 70450052), (40, 35225026), (80, 17612513)]