131566000

素因数分解:

$2^4\times 5^3\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:599

約数の個数: 80

約数和(自身を含む): 320916960

約数和(自身を除く): 189350960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 157, 200, 250, 314, 400, 419, 500, 628, 785, 838, 1000, 1256, 1570, 1676, 2000, 2095, 2512, 3140, 3352, 3925, 4190, 6280, 6704, 7850, 8380, 10475, 12560, 15700, 16760, 19625, 20950, 31400, 33520, 39250, 41900, 52375, 62800, 65783, 78500, 83800, 104750, 131566, 157000, 167600, 209500, 263132, 314000, 328915, 419000, 526264, 657830, 838000, 1052528, 1315660, 1644575, 2631320, 3289150, 5262640, 6578300, 8222875, 13156600, 16445750, 26313200, 32891500, 65783000, 131566000]

約数ペア:

[(1, 131566000), (2, 65783000), (4, 32891500), (5, 26313200), (8, 16445750), (10, 13156600), (16, 8222875), (20, 6578300), (25, 5262640), (40, 3289150), (50, 2631320), (80, 1644575), (100, 1315660), (125, 1052528), (157, 838000), (200, 657830), (250, 526264), (314, 419000), (400, 328915), (419, 314000), (500, 263132), (628, 209500), (785, 167600), (838, 157000), (1000, 131566), (1256, 104750), (1570, 83800), (1676, 78500), (2000, 65783), (2095, 62800), (2512, 52375), (3140, 41900), (3352, 39250), (3925, 33520), (4190, 31400), (6280, 20950), (6704, 19625), (7850, 16760), (8380, 15700), (10475, 12560)]