128273000

素因数分解:

$2^3\times 5^3\times {\mathrm{128273}}^1$

素因数の和:128294

約数の個数: 32

約数和(自身を含む): 300161160

約数和(自身を除く): 171888160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 128273, 256546, 513092, 641365, 1026184, 1282730, 2565460, 3206825, 5130920, 6413650, 12827300, 16034125, 25654600, 32068250, 64136500, 128273000]

約数ペア:

[(1, 128273000), (2, 64136500), (4, 32068250), (5, 25654600), (8, 16034125), (10, 12827300), (20, 6413650), (25, 5130920), (40, 3206825), (50, 2565460), (100, 1282730), (125, 1026184), (200, 641365), (250, 513092), (500, 256546), (1000, 128273)]