2120801755

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{2927}}^1$

素因数の和:3243

約数の個数: 32

約数和(自身を含む): 2782771200

約数和(自身を除く): 661969445

約数列:

[1, 5, 19, 29, 95, 145, 263, 551, 1315, 2755, 2927, 4997, 7627, 14635, 24985, 38135, 55613, 84883, 144913, 278065, 424415, 724565, 769801, 1612777, 3849005, 8063885, 14626219, 22324229, 73131095, 111621145, 424160351, 2120801755]

約数ペア:

[(1, 2120801755), (5, 424160351), (19, 111621145), (29, 73131095), (95, 22324229), (145, 14626219), (263, 8063885), (551, 3849005), (1315, 1612777), (2755, 769801), (2927, 724565), (4997, 424415), (7627, 278065), (14635, 144913), (24985, 84883), (38135, 55613)]