2080399825

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{5189}}^1$

素因数の和:5314

約数の個数: 48

約数和(自身を含む): 3089088000

約数和(自身を除く): 1008688175

約数列:

[1, 5, 7, 25, 29, 35, 79, 145, 175, 203, 395, 553, 725, 1015, 1975, 2291, 2765, 5075, 5189, 11455, 13825, 16037, 25945, 36323, 57275, 80185, 129725, 150481, 181615, 400925, 409931, 752405, 908075, 1053367, 2049655, 2869517, 3762025, 5266835, 10248275, 11887999, 14347585, 26334175, 59439995, 71737925, 83215993, 297199975, 416079965, 2080399825]

約数ペア:

[(1, 2080399825), (5, 416079965), (7, 297199975), (25, 83215993), (29, 71737925), (35, 59439995), (79, 26334175), (145, 14347585), (175, 11887999), (203, 10248275), (395, 5266835), (553, 3762025), (725, 2869517), (1015, 2049655), (1975, 1053367), (2291, 908075), (2765, 752405), (5075, 409931), (5189, 400925), (11455, 181615), (13825, 150481), (16037, 129725), (25945, 80185), (36323, 57275)]