78674180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{302593}}^1$

素因数の和:302615

約数の個数: 24

約数和(自身を含む): 177925272

約数和(自身を除く): 99251092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 302593, 605186, 1210372, 1512965, 3025930, 3933709, 6051860, 7867418, 15734836, 19668545, 39337090, 78674180]

約数ペア:

[(1, 78674180), (2, 39337090), (4, 19668545), (5, 15734836), (10, 7867418), (13, 6051860), (20, 3933709), (26, 3025930), (52, 1512965), (65, 1210372), (130, 605186), (260, 302593)]