49391420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{189967}}^1$

素因数の和:189989

約数の個数: 24

約数和(自身を含む): 111701184

約数和(自身を除く): 62309764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 189967, 379934, 759868, 949835, 1899670, 2469571, 3799340, 4939142, 9878284, 12347855, 24695710, 49391420]

約数ペア:

[(1, 49391420), (2, 24695710), (4, 12347855), (5, 9878284), (10, 4939142), (13, 3799340), (20, 2469571), (26, 1899670), (52, 949835), (65, 759868), (130, 379934), (260, 189967)]