38855000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 96063000

約数和(自身を除く): 57208000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 409, 475, 500, 625, 760, 818, 950, 1000, 1250, 1636, 1900, 2045, 2375, 2500, 3272, 3800, 4090, 4750, 5000, 7771, 8180, 9500, 10225, 11875, 15542, 16360, 19000, 20450, 23750, 31084, 38855, 40900, 47500, 51125, 62168, 77710, 81800, 95000, 102250, 155420, 194275, 204500, 255625, 310840, 388550, 409000, 511250, 777100, 971375, 1022500, 1554200, 1942750, 2045000, 3885500, 4856875, 7771000, 9713750, 19427500, 38855000]

約数ペア:

[(1, 38855000), (2, 19427500), (4, 9713750), (5, 7771000), (8, 4856875), (10, 3885500), (19, 2045000), (20, 1942750), (25, 1554200), (38, 1022500), (40, 971375), (50, 777100), (76, 511250), (95, 409000), (100, 388550), (125, 310840), (152, 255625), (190, 204500), (200, 194275), (250, 155420), (380, 102250), (409, 95000), (475, 81800), (500, 77710), (625, 62168), (760, 51125), (818, 47500), (950, 40900), (1000, 38855), (1250, 31084), (1636, 23750), (1900, 20450), (2045, 19000), (2375, 16360), (2500, 15542), (3272, 11875), (3800, 10225), (4090, 9500), (4750, 8180), (5000, 7771)]