28272260

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3191}}^1$

素因数の和:3643

約数の個数: 24

約数和(自身を含む): 59524416

約数和(自身を除く): 31252156

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 3191, 4430, 6382, 8860, 12764, 15955, 31910, 63820, 1413613, 2827226, 5654452, 7068065, 14136130, 28272260]

約数ペア:

[(1, 28272260), (2, 14136130), (4, 7068065), (5, 5654452), (10, 2827226), (20, 1413613), (443, 63820), (886, 31910), (1772, 15955), (2215, 12764), (3191, 8860), (4430, 6382)]