164025280

素因数分解:

$2^6\times 5^1\times {\mathrm{512579}}^1$

素因数の和:512596

約数の個数: 28

約数和(自身を含む): 390585960

約数和(自身を除く): 226560680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 512579, 1025158, 2050316, 2562895, 4100632, 5125790, 8201264, 10251580, 16402528, 20503160, 32805056, 41006320, 82012640, 164025280]

約数ペア:

[(1, 164025280), (2, 82012640), (4, 41006320), (5, 32805056), (8, 20503160), (10, 16402528), (16, 10251580), (20, 8201264), (32, 5125790), (40, 4100632), (64, 2562895), (80, 2050316), (160, 1025158), (320, 512579)]