20002600

素因数分解:

$2^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{971}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 47005920

約数和(自身を除く): 27003320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 200, 206, 412, 515, 824, 971, 1030, 1942, 2060, 2575, 3884, 4120, 4855, 5150, 7768, 9710, 10300, 19420, 20600, 24275, 38840, 48550, 97100, 100013, 194200, 200026, 400052, 500065, 800104, 1000130, 2000260, 2500325, 4000520, 5000650, 10001300, 20002600]

約数ペア:

[(1, 20002600), (2, 10001300), (4, 5000650), (5, 4000520), (8, 2500325), (10, 2000260), (20, 1000130), (25, 800104), (40, 500065), (50, 400052), (100, 200026), (103, 194200), (200, 100013), (206, 97100), (412, 48550), (515, 38840), (824, 24275), (971, 20600), (1030, 19420), (1942, 10300), (2060, 9710), (2575, 7768), (3884, 5150), (4120, 4855)]