80746540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{857}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 194306112

約数和(自身を除く): 113559572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 673, 857, 1346, 1714, 2692, 3365, 3428, 4285, 4711, 5999, 6730, 8570, 9422, 11998, 13460, 17140, 18844, 23555, 23996, 29995, 47110, 59990, 94220, 119980, 576761, 1153522, 2307044, 2883805, 4037327, 5767610, 8074654, 11535220, 16149308, 20186635, 40373270, 80746540]

約数ペア:

[(1, 80746540), (2, 40373270), (4, 20186635), (5, 16149308), (7, 11535220), (10, 8074654), (14, 5767610), (20, 4037327), (28, 2883805), (35, 2307044), (70, 1153522), (140, 576761), (673, 119980), (857, 94220), (1346, 59990), (1714, 47110), (2692, 29995), (3365, 23996), (3428, 23555), (4285, 18844), (4711, 17140), (5999, 13460), (6730, 11998), (8570, 9422)]