4080350980

素因数分解:

$2^2\times 5^1\times {\mathrm{13721}}^1\times {\mathrm{14869}}^1$

素因数の和:28599

約数の個数: 24

約数和(自身を含む): 8569937880

約数和(自身を除く): 4489586900

約数列:

[1, 2, 4, 5, 10, 20, 13721, 14869, 27442, 29738, 54884, 59476, 68605, 74345, 137210, 148690, 274420, 297380, 204017549, 408035098, 816070196, 1020087745, 2040175490, 4080350980]

約数ペア:

[(1, 4080350980), (2, 2040175490), (4, 1020087745), (5, 816070196), (10, 408035098), (20, 204017549), (13721, 297380), (14869, 274420), (27442, 148690), (29738, 137210), (54884, 74345), (59476, 68605)]