27996760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63629}}^1$

素因数の和:63651

約数の個数: 32

約数和(自身を含む): 68720400

約数和(自身を除く): 40723640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 63629, 127258, 254516, 318145, 509032, 636290, 699919, 1272580, 1399838, 2545160, 2799676, 3499595, 5599352, 6999190, 13998380, 27996760]

約数ペア:

[(1, 27996760), (2, 13998380), (4, 6999190), (5, 5599352), (8, 3499595), (10, 2799676), (11, 2545160), (20, 1399838), (22, 1272580), (40, 699919), (44, 636290), (55, 509032), (88, 318145), (110, 254516), (220, 127258), (440, 63629)]