104040020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{743143}}^1$

素因数の和:743159

約数の個数: 24

約数和(自身を含む): 249696384

約数和(自身を除く): 145656364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 743143, 1486286, 2972572, 3715715, 5202001, 7431430, 10404002, 14862860, 20808004, 26010005, 52020010, 104040020]

約数ペア:

[(1, 104040020), (2, 52020010), (4, 26010005), (5, 20808004), (7, 14862860), (10, 10404002), (14, 7431430), (20, 5202001), (28, 3715715), (35, 2972572), (70, 1486286), (140, 743143)]