66333860

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{12611}}^1$

素因数の和:12883

約数の個数: 24

約数和(自身を含む): 139841856

約数和(自身を除く): 73507996

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 12611, 25222, 50444, 63055, 126110, 252220, 3316693, 6633386, 13266772, 16583465, 33166930, 66333860]

約数ペア:

[(1, 66333860), (2, 33166930), (4, 16583465), (5, 13266772), (10, 6633386), (20, 3316693), (263, 252220), (526, 126110), (1052, 63055), (1315, 50444), (2630, 25222), (5260, 12611)]