27836420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{113}}^2$

素因数の和:344

約数の個数: 36

約数和(自身を含む): 59519460

約数和(自身を除く): 31683040

約数列:

[1, 2, 4, 5, 10, 20, 109, 113, 218, 226, 436, 452, 545, 565, 1090, 1130, 2180, 2260, 12317, 12769, 24634, 25538, 49268, 51076, 61585, 63845, 123170, 127690, 246340, 255380, 1391821, 2783642, 5567284, 6959105, 13918210, 27836420]

約数ペア:

[(1, 27836420), (2, 13918210), (4, 6959105), (5, 5567284), (10, 2783642), (20, 1391821), (109, 255380), (113, 246340), (218, 127690), (226, 123170), (436, 63845), (452, 61585), (545, 51076), (565, 49268), (1090, 25538), (1130, 24634), (2180, 12769), (2260, 12317)]