25315420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97367}}^1$

素因数の和:97389

約数の個数: 24

約数和(自身を含む): 57252384

約数和(自身を除く): 31936964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 97367, 194734, 389468, 486835, 973670, 1265771, 1947340, 2531542, 5063084, 6328855, 12657710, 25315420]

約数ペア:

[(1, 25315420), (2, 12657710), (4, 6328855), (5, 5063084), (10, 2531542), (13, 1947340), (20, 1265771), (26, 973670), (52, 486835), (65, 389468), (130, 194734), (260, 97367)]