291205280

素因数分解:

$2^5\times 5^1\times {\mathrm{1820033}}^1$

素因数の和:1820048

約数の個数: 24

約数和(自身を含む): 687972852

約数和(自身を除く): 396767572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1820033, 3640066, 7280132, 9100165, 14560264, 18200330, 29120528, 36400660, 58241056, 72801320, 145602640, 291205280]

約数ペア:

[(1, 291205280), (2, 145602640), (4, 72801320), (5, 58241056), (8, 36400660), (10, 29120528), (16, 18200330), (20, 14560264), (32, 9100165), (40, 7280132), (80, 3640066), (160, 1820033)]