25172980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179807}}^1$

素因数の和:179823

約数の個数: 24

約数和(自身を含む): 60415488

約数和(自身を除く): 35242508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179807, 359614, 719228, 899035, 1258649, 1798070, 2517298, 3596140, 5034596, 6293245, 12586490, 25172980]

約数ペア:

[(1, 25172980), (2, 12586490), (4, 6293245), (5, 5034596), (7, 3596140), (10, 2517298), (14, 1798070), (20, 1258649), (28, 899035), (35, 719228), (70, 359614), (140, 179807)]