9869989.00000000

素因数分解:

$2^3\times 5^5\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 96

約数和(自身を含む): 77338800

約数和(自身を除く): 46163800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 43, 50, 58, 86, 100, 116, 125, 145, 172, 200, 215, 232, 250, 290, 344, 430, 500, 580, 625, 725, 860, 1000, 1075, 1160, 1247, 1250, 1450, 1720, 2150, 2494, 2500, 2900, 3125, 3625, 4300, 4988, 5000, 5375, 5800, 6235, 6250, 7250, 8600, 9976, 10750, 12470, 12500, 14500, 18125, 21500, 24940, 25000, 26875, 29000, 31175, 36250, 43000, 49880, 53750, 62350, 72500, 90625, 107500, 124700, 134375, 145000, 155875, 181250, 215000, 249400, 268750, 311750, 362500, 537500, 623500, 725000, 779375, 1075000, 1247000, 1558750, 3117500, 3896875, 6235000, 7793750, 15587500, 31175000]

約数ペア:

[(1, 31175000), (2, 15587500), (4, 7793750), (5, 6235000), (8, 3896875), (10, 3117500), (20, 1558750), (25, 1247000), (29, 1075000), (40, 779375), (43, 725000), (50, 623500), (58, 537500), (86, 362500), (100, 311750), (116, 268750), (125, 249400), (145, 215000), (172, 181250), (200, 155875), (215, 145000), (232, 134375), (250, 124700), (290, 107500), (344, 90625), (430, 72500), (500, 62350), (580, 53750), (625, 49880), (725, 43000), (860, 36250), (1000, 31175), (1075, 29000), (1160, 26875), (1247, 25000), (1250, 24940), (1450, 21500), (1720, 18125), (2150, 14500), (2494, 12500), (2500, 12470), (2900, 10750), (3125, 9976), (3625, 8600), (4300, 7250), (4988, 6250), (5000, 6235), (5375, 5800)]