165320740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{635849}}^1$

素因数の和:635871

約数の個数: 24

約数和(自身を含む): 373879800

約数和(自身を除く): 208559060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 635849, 1271698, 2543396, 3179245, 6358490, 8266037, 12716980, 16532074, 33064148, 41330185, 82660370, 165320740]

約数ペア:

[(1, 165320740), (2, 82660370), (4, 41330185), (5, 33064148), (10, 16532074), (13, 12716980), (20, 8266037), (26, 6358490), (52, 3179245), (65, 2543396), (130, 1271698), (260, 635849)]