12512440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3037}}^1$

素因数の和:3151

約数の個数: 32

約数和(自身を含む): 28435680

約数和(自身を除く): 15923240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 3037, 4120, 6074, 12148, 15185, 24296, 30370, 60740, 121480, 312811, 625622, 1251244, 1564055, 2502488, 3128110, 6256220, 12512440]

約数ペア:

[(1, 12512440), (2, 6256220), (4, 3128110), (5, 2502488), (8, 1564055), (10, 1251244), (20, 625622), (40, 312811), (103, 121480), (206, 60740), (412, 30370), (515, 24296), (824, 15185), (1030, 12148), (2060, 6074), (3037, 4120)]