42688400

素因数分解:

$2^4\times 5^2\times {\mathrm{106721}}^1$

素因数の和:106739

約数の個数: 30

約数和(自身を含む): 102559842

約数和(自身を除く): 59871442

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 106721, 213442, 426884, 533605, 853768, 1067210, 1707536, 2134420, 2668025, 4268840, 5336050, 8537680, 10672100, 21344200, 42688400]

約数ペア:

[(1, 42688400), (2, 21344200), (4, 10672100), (5, 8537680), (8, 5336050), (10, 4268840), (16, 2668025), (20, 2134420), (25, 1707536), (40, 1067210), (50, 853768), (80, 533605), (100, 426884), (200, 213442), (400, 106721)]