28854760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65579}}^1$

素因数の和:65601

約数の個数: 32

約数和(自身を含む): 70826400

約数和(自身を除く): 41971640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 65579, 131158, 262316, 327895, 524632, 655790, 721369, 1311580, 1442738, 2623160, 2885476, 3606845, 5770952, 7213690, 14427380, 28854760]

約数ペア:

[(1, 28854760), (2, 14427380), (4, 7213690), (5, 5770952), (8, 3606845), (10, 2885476), (11, 2623160), (20, 1442738), (22, 1311580), (40, 721369), (44, 655790), (55, 524632), (88, 327895), (110, 262316), (220, 131158), (440, 65579)]