66502000

素因数分解:

$2^4\times 5^3\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:875

約数の個数: 80

約数和(自身を含む): 164926944

約数和(自身を除く): 98424944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 125, 164, 200, 205, 250, 328, 400, 410, 500, 656, 811, 820, 1000, 1025, 1622, 1640, 2000, 2050, 3244, 3280, 4055, 4100, 5125, 6488, 8110, 8200, 10250, 12976, 16220, 16400, 20275, 20500, 32440, 33251, 40550, 41000, 64880, 66502, 81100, 82000, 101375, 133004, 162200, 166255, 202750, 266008, 324400, 332510, 405500, 532016, 665020, 811000, 831275, 1330040, 1622000, 1662550, 2660080, 3325100, 4156375, 6650200, 8312750, 13300400, 16625500, 33251000, 66502000]

約数ペア:

[(1, 66502000), (2, 33251000), (4, 16625500), (5, 13300400), (8, 8312750), (10, 6650200), (16, 4156375), (20, 3325100), (25, 2660080), (40, 1662550), (41, 1622000), (50, 1330040), (80, 831275), (82, 811000), (100, 665020), (125, 532016), (164, 405500), (200, 332510), (205, 324400), (250, 266008), (328, 202750), (400, 166255), (410, 162200), (500, 133004), (656, 101375), (811, 82000), (820, 81100), (1000, 66502), (1025, 64880), (1622, 41000), (1640, 40550), (2000, 33251), (2050, 32440), (3244, 20500), (3280, 20275), (4055, 16400), (4100, 16220), (5125, 12976), (6488, 10250), (8110, 8200)]