201249680

素因数分解:

$2^4\times 5^1\times {\mathrm{2515621}}^1$

素因数の和:2515634

約数の個数: 20

約数和(自身を含む): 467905692

約数和(自身を除く): 266656012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2515621, 5031242, 10062484, 12578105, 20124968, 25156210, 40249936, 50312420, 100624840, 201249680]

約数ペア:

[(1, 201249680), (2, 100624840), (4, 50312420), (5, 40249936), (8, 25156210), (10, 20124968), (16, 12578105), (20, 10062484), (40, 5031242), (80, 2515621)]