79280120

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{6373}}^1$

素因数の和:6695

約数の個数: 32

約数和(自身を含む): 178981920

約数和(自身を除く): 99701800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 6373, 12440, 12746, 25492, 31865, 50984, 63730, 127460, 254920, 1982003, 3964006, 7928012, 9910015, 15856024, 19820030, 39640060, 79280120]

約数ペア:

[(1, 79280120), (2, 39640060), (4, 19820030), (5, 15856024), (8, 9910015), (10, 7928012), (20, 3964006), (40, 1982003), (311, 254920), (622, 127460), (1244, 63730), (1555, 50984), (2488, 31865), (3110, 25492), (6220, 12746), (6373, 12440)]