80877020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{5399}}^1$

素因数の和:5522

約数の個数: 48

約数和(自身を含む): 195955200

約数和(自身を除く): 115078180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 5399, 7490, 10798, 14980, 21596, 26995, 37793, 53990, 75586, 107980, 151172, 188965, 377930, 577693, 755860, 1155386, 2310772, 2888465, 4043851, 5776930, 8087702, 11553860, 16175404, 20219255, 40438510, 80877020]

約数ペア:

[(1, 80877020), (2, 40438510), (4, 20219255), (5, 16175404), (7, 11553860), (10, 8087702), (14, 5776930), (20, 4043851), (28, 2888465), (35, 2310772), (70, 1155386), (107, 755860), (140, 577693), (214, 377930), (428, 188965), (535, 151172), (749, 107980), (1070, 75586), (1498, 53990), (2140, 37793), (2996, 26995), (3745, 21596), (5399, 14980), (7490, 10798)]