2840710

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4001}}^1$

素因数の和:4079

約数の個数: 16

約数和(自身を含む): 5186592

約数和(自身を除く): 2345882

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 4001, 8002, 20005, 40010, 284071, 568142, 1420355, 2840710]

約数ペア:

[(1, 2840710), (2, 1420355), (5, 568142), (10, 284071), (71, 40010), (142, 20005), (355, 8002), (710, 4001)]