2890420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11117}}^1$

素因数の和:11139

約数の個数: 24

約数和(自身を含む): 6537384

約数和(自身を除く): 3646964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 11117, 22234, 44468, 55585, 111170, 144521, 222340, 289042, 578084, 722605, 1445210, 2890420]

約数ペア:

[(1, 2890420), (2, 1445210), (4, 722605), (5, 578084), (10, 289042), (13, 222340), (20, 144521), (26, 111170), (52, 55585), (65, 44468), (130, 22234), (260, 11117)]