27949360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20551}}^1$

素因数の和:20581

約数の個数: 40

約数和(自身を含む): 68808096

約数和(自身を除く): 40858736

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 20551, 41102, 82204, 102755, 164408, 205510, 328816, 349367, 411020, 698734, 822040, 1397468, 1644080, 1746835, 2794936, 3493670, 5589872, 6987340, 13974680, 27949360]

約数ペア:

[(1, 27949360), (2, 13974680), (4, 6987340), (5, 5589872), (8, 3493670), (10, 2794936), (16, 1746835), (17, 1644080), (20, 1397468), (34, 822040), (40, 698734), (68, 411020), (80, 349367), (85, 328816), (136, 205510), (170, 164408), (272, 102755), (340, 82204), (680, 41102), (1360, 20551)]