13906640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15803}}^1$

素因数の和:15827

約数の個数: 40

約数和(自身を含む): 35274528

約数和(自身を除く): 21367888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 15803, 31606, 63212, 79015, 126424, 158030, 173833, 252848, 316060, 347666, 632120, 695332, 869165, 1264240, 1390664, 1738330, 2781328, 3476660, 6953320, 13906640]

約数ペア:

[(1, 13906640), (2, 6953320), (4, 3476660), (5, 2781328), (8, 1738330), (10, 1390664), (11, 1264240), (16, 869165), (20, 695332), (22, 632120), (40, 347666), (44, 316060), (55, 252848), (80, 173833), (88, 158030), (110, 126424), (176, 79015), (220, 63212), (440, 31606), (880, 15803)]