853508240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{820681}}^1$

素因数の和:820707

約数の個数: 40

約数和(自身を含む): 2137055928

約数和(自身を除く): 1283547688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 820681, 1641362, 3282724, 4103405, 6565448, 8206810, 10668853, 13130896, 16413620, 21337706, 32827240, 42675412, 53344265, 65654480, 85350824, 106688530, 170701648, 213377060, 426754120, 853508240]

約数ペア:

[(1, 853508240), (2, 426754120), (4, 213377060), (5, 170701648), (8, 106688530), (10, 85350824), (13, 65654480), (16, 53344265), (20, 42675412), (26, 32827240), (40, 21337706), (52, 16413620), (65, 13130896), (80, 10668853), (104, 8206810), (130, 6565448), (208, 4103405), (260, 3282724), (520, 1641362), (1040, 820681)]