65913940

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{20219}}^1$

素因数の和:20391

約数の個数: 24

約数和(自身を含む): 139275360

約数和(自身を除く): 73361420

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 20219, 40438, 80876, 101095, 202190, 404380, 3295697, 6591394, 13182788, 16478485, 32956970, 65913940]

約数ペア:

[(1, 65913940), (2, 32956970), (4, 16478485), (5, 13182788), (10, 6591394), (20, 3295697), (163, 404380), (326, 202190), (652, 101095), (815, 80876), (1630, 40438), (3260, 20219)]