2591420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9967}}^1$

素因数の和:9989

約数の個数: 24

約数和(自身を含む): 5861184

約数和(自身を除く): 3269764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 9967, 19934, 39868, 49835, 99670, 129571, 199340, 259142, 518284, 647855, 1295710, 2591420]

約数ペア:

[(1, 2591420), (2, 1295710), (4, 647855), (5, 518284), (10, 259142), (13, 199340), (20, 129571), (26, 99670), (52, 49835), (65, 39868), (130, 19934), (260, 9967)]