12420760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28229}}^1$

素因数の和:28251

約数の個数: 32

約数和(自身を含む): 30488400

約数和(自身を除く): 18067640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 28229, 56458, 112916, 141145, 225832, 282290, 310519, 564580, 621038, 1129160, 1242076, 1552595, 2484152, 3105190, 6210380, 12420760]

約数ペア:

[(1, 12420760), (2, 6210380), (4, 3105190), (5, 2484152), (8, 1552595), (10, 1242076), (11, 1129160), (20, 621038), (22, 564580), (40, 310519), (44, 282290), (55, 225832), (88, 141145), (110, 112916), (220, 56458), (440, 28229)]