2020104280

素因数分解:

$2^3\times 5^1\times {\mathrm{4027}}^1\times {\mathrm{12541}}^1$

素因数の和:16579

約数の個数: 32

約数和(自身を含む): 4546725840

約数和(自身を除く): 2526621560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4027, 8054, 12541, 16108, 20135, 25082, 32216, 40270, 50164, 62705, 80540, 100328, 125410, 161080, 250820, 501640, 50502607, 101005214, 202010428, 252513035, 404020856, 505026070, 1010052140, 2020104280]

約数ペア:

[(1, 2020104280), (2, 1010052140), (4, 505026070), (5, 404020856), (8, 252513035), (10, 202010428), (20, 101005214), (40, 50502607), (4027, 501640), (8054, 250820), (12541, 161080), (16108, 125410), (20135, 100328), (25082, 80540), (32216, 62705), (40270, 50164)]