52287500

素因数分解:

$2^2\times 5^5\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 118117440

約数和(自身を除く): 65829940

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 89, 94, 100, 125, 178, 188, 235, 250, 356, 445, 470, 500, 625, 890, 940, 1175, 1250, 1780, 2225, 2350, 2500, 3125, 4183, 4450, 4700, 5875, 6250, 8366, 8900, 11125, 11750, 12500, 16732, 20915, 22250, 23500, 29375, 41830, 44500, 55625, 58750, 83660, 104575, 111250, 117500, 146875, 209150, 222500, 278125, 293750, 418300, 522875, 556250, 587500, 1045750, 1112500, 2091500, 2614375, 5228750, 10457500, 13071875, 26143750, 52287500]

約数ペア:

[(1, 52287500), (2, 26143750), (4, 13071875), (5, 10457500), (10, 5228750), (20, 2614375), (25, 2091500), (47, 1112500), (50, 1045750), (89, 587500), (94, 556250), (100, 522875), (125, 418300), (178, 293750), (188, 278125), (235, 222500), (250, 209150), (356, 146875), (445, 117500), (470, 111250), (500, 104575), (625, 83660), (890, 58750), (940, 55625), (1175, 44500), (1250, 41830), (1780, 29375), (2225, 23500), (2350, 22250), (2500, 20915), (3125, 16732), (4183, 12500), (4450, 11750), (4700, 11125), (5875, 8900), (6250, 8366)]