72186340

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{33113}}^1$

素因数の和:33231

約数の個数: 24

約数和(自身を含む): 152986680

約数和(自身を除く): 80800340

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 33113, 66226, 132452, 165565, 331130, 662260, 3609317, 7218634, 14437268, 18046585, 36093170, 72186340]

約数ペア:

[(1, 72186340), (2, 36093170), (4, 18046585), (5, 14437268), (10, 7218634), (20, 3609317), (109, 662260), (218, 331130), (436, 165565), (545, 132452), (1090, 66226), (2180, 33113)]