23005000

素因数分解:

$2^3\times 5^4\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:176

約数の個数: 80

約数和(自身を含む): 55669680

約数和(自身を除く): 32664680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 107, 125, 172, 200, 214, 215, 250, 344, 428, 430, 500, 535, 625, 856, 860, 1000, 1070, 1075, 1250, 1720, 2140, 2150, 2500, 2675, 4280, 4300, 4601, 5000, 5350, 5375, 8600, 9202, 10700, 10750, 13375, 18404, 21400, 21500, 23005, 26750, 26875, 36808, 43000, 46010, 53500, 53750, 66875, 92020, 107000, 107500, 115025, 133750, 184040, 215000, 230050, 267500, 460100, 535000, 575125, 920200, 1150250, 2300500, 2875625, 4601000, 5751250, 11502500, 23005000]

約数ペア:

[(1, 23005000), (2, 11502500), (4, 5751250), (5, 4601000), (8, 2875625), (10, 2300500), (20, 1150250), (25, 920200), (40, 575125), (43, 535000), (50, 460100), (86, 267500), (100, 230050), (107, 215000), (125, 184040), (172, 133750), (200, 115025), (214, 107500), (215, 107000), (250, 92020), (344, 66875), (428, 53750), (430, 53500), (500, 46010), (535, 43000), (625, 36808), (856, 26875), (860, 26750), (1000, 23005), (1070, 21500), (1075, 21400), (1250, 18404), (1720, 13375), (2140, 10750), (2150, 10700), (2500, 9202), (2675, 8600), (4280, 5375), (4300, 5350), (4601, 5000)]