67818340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{42923}}^1$

素因数の和:43011

約数の個数: 24

約数和(自身を含む): 144224640

約数和(自身を除く): 76406300

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 42923, 85846, 171692, 214615, 429230, 858460, 3390917, 6781834, 13563668, 16954585, 33909170, 67818340]

約数ペア:

[(1, 67818340), (2, 33909170), (4, 16954585), (5, 13563668), (10, 6781834), (20, 3390917), (79, 858460), (158, 429230), (316, 214615), (395, 171692), (790, 85846), (1580, 42923)]