207915560

素因数分解:

$2^3\times 5^1\times {\mathrm{5197889}}^1$

素因数の和:5197900

約数の個数: 16

約数和(自身を含む): 467810100

約数和(自身を除く): 259894540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5197889, 10395778, 20791556, 25989445, 41583112, 51978890, 103957780, 207915560]

約数ペア:

[(1, 207915560), (2, 103957780), (4, 51978890), (5, 41583112), (8, 25989445), (10, 20791556), (20, 10395778), (40, 5197889)]