201225560

素因数分解:

$2^3\times 5^1\times {\mathrm{5030639}}^1$

素因数の和:5030650

約数の個数: 16

約数和(自身を含む): 452757600

約数和(自身を除く): 251532040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5030639, 10061278, 20122556, 25153195, 40245112, 50306390, 100612780, 201225560]

約数ペア:

[(1, 201225560), (2, 100612780), (4, 50306390), (5, 40245112), (8, 25153195), (10, 20122556), (20, 10061278), (40, 5030639)]