82287500

素因数分解:

$2^2\times 5^5\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 187019280

約数和(自身を除く): 104731780

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 227, 250, 290, 454, 500, 580, 625, 725, 908, 1135, 1250, 1450, 2270, 2500, 2900, 3125, 3625, 4540, 5675, 6250, 6583, 7250, 11350, 12500, 13166, 14500, 18125, 22700, 26332, 28375, 32915, 36250, 56750, 65830, 72500, 90625, 113500, 131660, 141875, 164575, 181250, 283750, 329150, 362500, 567500, 658300, 709375, 822875, 1418750, 1645750, 2837500, 3291500, 4114375, 8228750, 16457500, 20571875, 41143750, 82287500]

約数ペア:

[(1, 82287500), (2, 41143750), (4, 20571875), (5, 16457500), (10, 8228750), (20, 4114375), (25, 3291500), (29, 2837500), (50, 1645750), (58, 1418750), (100, 822875), (116, 709375), (125, 658300), (145, 567500), (227, 362500), (250, 329150), (290, 283750), (454, 181250), (500, 164575), (580, 141875), (625, 131660), (725, 113500), (908, 90625), (1135, 72500), (1250, 65830), (1450, 56750), (2270, 36250), (2500, 32915), (2900, 28375), (3125, 26332), (3625, 22700), (4540, 18125), (5675, 14500), (6250, 13166), (6583, 12500), (7250, 11350)]