51587000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:753

約数の個数: 64

約数和(自身を含む): 122428800

約数和(自身を除く): 70841800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 250, 316, 395, 500, 632, 653, 790, 1000, 1306, 1580, 1975, 2612, 3160, 3265, 3950, 5224, 6530, 7900, 9875, 13060, 15800, 16325, 19750, 26120, 32650, 39500, 51587, 65300, 79000, 81625, 103174, 130600, 163250, 206348, 257935, 326500, 412696, 515870, 653000, 1031740, 1289675, 2063480, 2579350, 5158700, 6448375, 10317400, 12896750, 25793500, 51587000]

約数ペア:

[(1, 51587000), (2, 25793500), (4, 12896750), (5, 10317400), (8, 6448375), (10, 5158700), (20, 2579350), (25, 2063480), (40, 1289675), (50, 1031740), (79, 653000), (100, 515870), (125, 412696), (158, 326500), (200, 257935), (250, 206348), (316, 163250), (395, 130600), (500, 103174), (632, 81625), (653, 79000), (790, 65300), (1000, 51587), (1306, 39500), (1580, 32650), (1975, 26120), (2612, 19750), (3160, 16325), (3265, 15800), (3950, 13060), (5224, 9875), (6530, 7900)]