86804678020

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1847}}^1\times {\mathrm{2557}}^1$

素因数の和:5332

約数の個数: 48

約数和(自身を含む): 182658389760

約数和(自身を除く): 95853711740

約数列:

[1, 2, 4, 5, 10, 20, 919, 1838, 1847, 2557, 3676, 3694, 4595, 5114, 7388, 9190, 9235, 10228, 12785, 18380, 18470, 25570, 36940, 51140, 1697393, 2349883, 3394786, 4699766, 4722779, 6789572, 8486965, 9399532, 9445558, 11749415, 16973930, 18891116, 23498830, 23613895, 33947860, 46997660, 47227790, 94455580, 4340233901, 8680467802, 17360935604, 21701169505, 43402339010, 86804678020]

約数ペア:

[(1, 86804678020), (2, 43402339010), (4, 21701169505), (5, 17360935604), (10, 8680467802), (20, 4340233901), (919, 94455580), (1838, 47227790), (1847, 46997660), (2557, 33947860), (3676, 23613895), (3694, 23498830), (4595, 18891116), (5114, 16973930), (7388, 11749415), (9190, 9445558), (9235, 9399532), (10228, 8486965), (12785, 6789572), (18380, 4722779), (18470, 4699766), (25570, 3394786), (36940, 2349883), (51140, 1697393)]