66439840

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5003}}^1$

素因数の和:5101

約数の個数: 48

約数和(自身を含む): 158887008

約数和(自身を除く): 92447168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 5003, 6640, 10006, 13280, 20012, 25015, 40024, 50030, 80048, 100060, 160096, 200120, 400240, 415249, 800480, 830498, 1660996, 2076245, 3321992, 4152490, 6643984, 8304980, 13287968, 16609960, 33219920, 66439840]

約数ペア:

[(1, 66439840), (2, 33219920), (4, 16609960), (5, 13287968), (8, 8304980), (10, 6643984), (16, 4152490), (20, 3321992), (32, 2076245), (40, 1660996), (80, 830498), (83, 800480), (160, 415249), (166, 400240), (332, 200120), (415, 160096), (664, 100060), (830, 80048), (1328, 50030), (1660, 40024), (2656, 25015), (3320, 20012), (5003, 13280), (6640, 10006)]