210804520

素因数分解:

$2^3\times 5^1\times {\mathrm{5270113}}^1$

素因数の和:5270124

約数の個数: 16

約数和(自身を含む): 474310260

約数和(自身を除く): 263505740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5270113, 10540226, 21080452, 26350565, 42160904, 52701130, 105402260, 210804520]

約数ペア:

[(1, 210804520), (2, 105402260), (4, 52701130), (5, 42160904), (8, 26350565), (10, 21080452), (20, 10540226), (40, 5270113)]