78904160

素因数分解:

$2^5\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2953}}^1$

素因数の和:3135

約数の個数: 48

約数和(自身を含む): 187590816

約数和(自身を除く): 108686656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 167, 334, 668, 835, 1336, 1670, 2672, 2953, 3340, 5344, 5906, 6680, 11812, 13360, 14765, 23624, 26720, 29530, 47248, 59060, 94496, 118120, 236240, 472480, 493151, 986302, 1972604, 2465755, 3945208, 4931510, 7890416, 9863020, 15780832, 19726040, 39452080, 78904160]

約数ペア:

[(1, 78904160), (2, 39452080), (4, 19726040), (5, 15780832), (8, 9863020), (10, 7890416), (16, 4931510), (20, 3945208), (32, 2465755), (40, 1972604), (80, 986302), (160, 493151), (167, 472480), (334, 236240), (668, 118120), (835, 94496), (1336, 59060), (1670, 47248), (2672, 29530), (2953, 26720), (3340, 23624), (5344, 14765), (5906, 13360), (6680, 11812)]