25408021240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90742933}}^1$

素因数の和:90742951

約数の個数: 32

約数和(自身を含む): 65334912480

約数和(自身を除く): 39926891240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90742933, 181485866, 362971732, 453714665, 635200531, 725943464, 907429330, 1270401062, 1814858660, 2540802124, 3176002655, 3629717320, 5081604248, 6352005310, 12704010620, 25408021240]

約数ペア:

[(1, 25408021240), (2, 12704010620), (4, 6352005310), (5, 5081604248), (7, 3629717320), (8, 3176002655), (10, 2540802124), (14, 1814858660), (20, 1270401062), (28, 907429330), (35, 725943464), (40, 635200531), (56, 453714665), (70, 362971732), (140, 181485866), (280, 90742933)]