811332080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{780127}}^1$

素因数の和:780153

約数の個数: 40

約数和(自身を含む): 2031453312

約数和(自身を除く): 1220121232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 780127, 1560254, 3120508, 3900635, 6241016, 7801270, 10141651, 12482032, 15602540, 20283302, 31205080, 40566604, 50708255, 62410160, 81133208, 101416510, 162266416, 202833020, 405666040, 811332080]

約数ペア:

[(1, 811332080), (2, 405666040), (4, 202833020), (5, 162266416), (8, 101416510), (10, 81133208), (13, 62410160), (16, 50708255), (20, 40566604), (26, 31205080), (40, 20283302), (52, 15602540), (65, 12482032), (80, 10141651), (104, 7801270), (130, 6241016), (208, 3900635), (260, 3120508), (520, 1560254), (1040, 780127)]