42872075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2099}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 57288000

約数和(自身を除く): 14415925

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 2099, 4085, 10495, 20425, 39881, 52475, 90257, 199405, 451285, 997025, 1714883, 2256425, 8574415, 42872075]

約数ペア:

[(1, 42872075), (5, 8574415), (19, 2256425), (25, 1714883), (43, 997025), (95, 451285), (215, 199405), (475, 90257), (817, 52475), (1075, 39881), (2099, 20425), (4085, 10495)]