71997920

素因数分解:

$2^5\times 5^1\times {\mathrm{449987}}^1$

素因数の和:450002

約数の個数: 24

約数和(自身を含む): 170095464

約数和(自身を除く): 98097544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 449987, 899974, 1799948, 2249935, 3599896, 4499870, 7199792, 8999740, 14399584, 17999480, 35998960, 71997920]

約数ペア:

[(1, 71997920), (2, 35998960), (4, 17999480), (5, 14399584), (8, 8999740), (10, 7199792), (16, 4499870), (20, 3599896), (32, 2249935), (40, 1799948), (80, 899974), (160, 449987)]