2542040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{617}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 5784480

約数和(自身を除く): 3242440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 617, 824, 1030, 1234, 2060, 2468, 3085, 4120, 4936, 6170, 12340, 24680, 63551, 127102, 254204, 317755, 508408, 635510, 1271020, 2542040]

約数ペア:

[(1, 2542040), (2, 1271020), (4, 635510), (5, 508408), (8, 317755), (10, 254204), (20, 127102), (40, 63551), (103, 24680), (206, 12340), (412, 6170), (515, 4936), (617, 4120), (824, 3085), (1030, 2468), (1234, 2060)]