12345520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14029}}^1$

素因数の和:14053

約数の個数: 40

約数和(自身を含む): 31314960

約数和(自身を除く): 18969440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 14029, 28058, 56116, 70145, 112232, 140290, 154319, 224464, 280580, 308638, 561160, 617276, 771595, 1122320, 1234552, 1543190, 2469104, 3086380, 6172760, 12345520]

約数ペア:

[(1, 12345520), (2, 6172760), (4, 3086380), (5, 2469104), (8, 1543190), (10, 1234552), (11, 1122320), (16, 771595), (20, 617276), (22, 561160), (40, 308638), (44, 280580), (55, 224464), (80, 154319), (88, 140290), (110, 112232), (176, 70145), (220, 56116), (440, 28058), (880, 14029)]