39080020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{279143}}^1$

素因数の和:279159

約数の個数: 24

約数和(自身を含む): 93792384

約数和(自身を除く): 54712364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 279143, 558286, 1116572, 1395715, 1954001, 2791430, 3908002, 5582860, 7816004, 9770005, 19540010, 39080020]

約数ペア:

[(1, 39080020), (2, 19540010), (4, 9770005), (5, 7816004), (7, 5582860), (10, 3908002), (14, 2791430), (20, 1954001), (28, 1395715), (35, 1116572), (70, 558286), (140, 279143)]