28423120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32299}}^1$

素因数の和:32323

約数の個数: 40

約数和(自身を含む): 72093600

約数和(自身を除く): 43670480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32299, 64598, 129196, 161495, 258392, 322990, 355289, 516784, 645980, 710578, 1291960, 1421156, 1776445, 2583920, 2842312, 3552890, 5684624, 7105780, 14211560, 28423120]

約数ペア:

[(1, 28423120), (2, 14211560), (4, 7105780), (5, 5684624), (8, 3552890), (10, 2842312), (11, 2583920), (16, 1776445), (20, 1421156), (22, 1291960), (40, 710578), (44, 645980), (55, 516784), (80, 355289), (88, 322990), (110, 258392), (176, 161495), (220, 129196), (440, 64598), (880, 32299)]