690282640

素因数分解:

$2^4\times 5^1\times {\mathrm{673}}^1\times {\mathrm{12821}}^1$

素因数の和:13507

約数の個数: 40

約数和(自身を含む): 1607417208

約数和(自身を除く): 917134568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 673, 1346, 2692, 3365, 5384, 6730, 10768, 12821, 13460, 25642, 26920, 51284, 53840, 64105, 102568, 128210, 205136, 256420, 512840, 1025680, 8628533, 17257066, 34514132, 43142665, 69028264, 86285330, 138056528, 172570660, 345141320, 690282640]

約数ペア:

[(1, 690282640), (2, 345141320), (4, 172570660), (5, 138056528), (8, 86285330), (10, 69028264), (16, 43142665), (20, 34514132), (40, 17257066), (80, 8628533), (673, 1025680), (1346, 512840), (2692, 256420), (3365, 205136), (5384, 128210), (6730, 102568), (10768, 64105), (12821, 53840), (13460, 51284), (25642, 26920)]