7259440

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{881}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 17061408

約数和(自身を除く): 9801968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 881, 1030, 1648, 1762, 2060, 3524, 4120, 4405, 7048, 8240, 8810, 14096, 17620, 35240, 70480, 90743, 181486, 362972, 453715, 725944, 907430, 1451888, 1814860, 3629720, 7259440]

約数ペア:

[(1, 7259440), (2, 3629720), (4, 1814860), (5, 1451888), (8, 907430), (10, 725944), (16, 453715), (20, 362972), (40, 181486), (80, 90743), (103, 70480), (206, 35240), (412, 17620), (515, 14096), (824, 8810), (881, 8240), (1030, 7048), (1648, 4405), (1762, 4120), (2060, 3524)]