40802500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:902

約数の個数: 60

約数和(自身を含む): 94032400

約数和(自身を除く): 53229900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 625, 859, 950, 1250, 1718, 1900, 2375, 2500, 3436, 4295, 4750, 8590, 9500, 11875, 16321, 17180, 21475, 23750, 32642, 42950, 47500, 65284, 81605, 85900, 107375, 163210, 214750, 326420, 408025, 429500, 536875, 816050, 1073750, 1632100, 2040125, 2147500, 4080250, 8160500, 10200625, 20401250, 40802500]

約数ペア:

[(1, 40802500), (2, 20401250), (4, 10200625), (5, 8160500), (10, 4080250), (19, 2147500), (20, 2040125), (25, 1632100), (38, 1073750), (50, 816050), (76, 536875), (95, 429500), (100, 408025), (125, 326420), (190, 214750), (250, 163210), (380, 107375), (475, 85900), (500, 81605), (625, 65284), (859, 47500), (950, 42950), (1250, 32642), (1718, 23750), (1900, 21475), (2375, 17180), (2500, 16321), (3436, 11875), (4295, 9500), (4750, 8590)]