25872080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24877}}^1$

素因数の和:24903

約数の個数: 40

約数和(自身を含む): 64782312

約数和(自身を除く): 38910232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 24877, 49754, 99508, 124385, 199016, 248770, 323401, 398032, 497540, 646802, 995080, 1293604, 1617005, 1990160, 2587208, 3234010, 5174416, 6468020, 12936040, 25872080]

約数ペア:

[(1, 25872080), (2, 12936040), (4, 6468020), (5, 5174416), (8, 3234010), (10, 2587208), (13, 1990160), (16, 1617005), (20, 1293604), (26, 995080), (40, 646802), (52, 497540), (65, 398032), (80, 323401), (104, 248770), (130, 199016), (208, 124385), (260, 99508), (520, 49754), (1040, 24877)]