2021655820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{601}}^1\times {\mathrm{2129}}^1$

素因数の和:2818

約数の個数: 48

約数和(自身を含む): 4308393600

約数和(自身を除く): 2286737780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 601, 790, 1202, 1580, 2129, 2404, 3005, 4258, 6010, 8516, 10645, 12020, 21290, 42580, 47479, 94958, 168191, 189916, 237395, 336382, 474790, 672764, 840955, 949580, 1279529, 1681910, 2559058, 3363820, 5118116, 6397645, 12795290, 25590580, 101082791, 202165582, 404331164, 505413955, 1010827910, 2021655820]

約数ペア:

[(1, 2021655820), (2, 1010827910), (4, 505413955), (5, 404331164), (10, 202165582), (20, 101082791), (79, 25590580), (158, 12795290), (316, 6397645), (395, 5118116), (601, 3363820), (790, 2559058), (1202, 1681910), (1580, 1279529), (2129, 949580), (2404, 840955), (3005, 672764), (4258, 474790), (6010, 336382), (8516, 237395), (10645, 189916), (12020, 168191), (21290, 94958), (42580, 47479)]