25165780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{74017}}^1$

素因数の和:74043

約数の個数: 24

約数和(自身を含む): 55957608

約数和(自身を除く): 30791828

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 74017, 148034, 296068, 370085, 740170, 1258289, 1480340, 2516578, 5033156, 6291445, 12582890, 25165780]

約数ペア:

[(1, 25165780), (2, 12582890), (4, 6291445), (5, 5033156), (10, 2516578), (17, 1480340), (20, 1258289), (34, 740170), (68, 370085), (85, 296068), (170, 148034), (340, 74017)]