79620560

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2027}}^1$

素因数の和:2531

約数の個数: 40

約数和(自身を含む): 185586336

約数和(自身を除く): 105965776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2027, 2455, 3928, 4054, 4910, 7856, 8108, 9820, 10135, 16216, 19640, 20270, 32432, 39280, 40540, 81080, 162160, 995257, 1990514, 3981028, 4976285, 7962056, 9952570, 15924112, 19905140, 39810280, 79620560]

約数ペア:

[(1, 79620560), (2, 39810280), (4, 19905140), (5, 15924112), (8, 9952570), (10, 7962056), (16, 4976285), (20, 3981028), (40, 1990514), (80, 995257), (491, 162160), (982, 81080), (1964, 40540), (2027, 39280), (2455, 32432), (3928, 20270), (4054, 19640), (4910, 16216), (7856, 10135), (8108, 9820)]