20180306320

素因数分解:

$2^4\times 5^1\times {\mathrm{13339}}^1\times {\mathrm{18911}}^1$

素因数の和:32263

約数の個数: 40

約数和(自身を含む): 46925210880

約数和(自身を除く): 26744904560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13339, 18911, 26678, 37822, 53356, 66695, 75644, 94555, 106712, 133390, 151288, 189110, 213424, 266780, 302576, 378220, 533560, 756440, 1067120, 1512880, 252253829, 504507658, 1009015316, 1261269145, 2018030632, 2522538290, 4036061264, 5045076580, 10090153160, 20180306320]

約数ペア:

[(1, 20180306320), (2, 10090153160), (4, 5045076580), (5, 4036061264), (8, 2522538290), (10, 2018030632), (16, 1261269145), (20, 1009015316), (40, 504507658), (80, 252253829), (13339, 1512880), (18911, 1067120), (26678, 756440), (37822, 533560), (53356, 378220), (66695, 302576), (75644, 266780), (94555, 213424), (106712, 189110), (133390, 151288)]