7503280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1405

約数の個数: 40

約数和(自身を含む): 17704224

約数和(自身を除く): 10200944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1321, 1420, 2642, 2840, 5284, 5680, 6605, 10568, 13210, 21136, 26420, 52840, 93791, 105680, 187582, 375164, 468955, 750328, 937910, 1500656, 1875820, 3751640, 7503280]

約数ペア:

[(1, 7503280), (2, 3751640), (4, 1875820), (5, 1500656), (8, 937910), (10, 750328), (16, 468955), (20, 375164), (40, 187582), (71, 105680), (80, 93791), (142, 52840), (284, 26420), (355, 21136), (568, 13210), (710, 10568), (1136, 6605), (1321, 5680), (1420, 5284), (2642, 2840)]