8105000

素因数分解:

$2^3\times 5^4\times {\mathrm{1621}}^1$

素因数の和:1647

約数の個数: 40

約数和(自身を含む): 19001730

約数和(自身を除く): 10896730

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 1621, 2500, 3242, 5000, 6484, 8105, 12968, 16210, 32420, 40525, 64840, 81050, 162100, 202625, 324200, 405250, 810500, 1013125, 1621000, 2026250, 4052500, 8105000]

約数ペア:

[(1, 8105000), (2, 4052500), (4, 2026250), (5, 1621000), (8, 1013125), (10, 810500), (20, 405250), (25, 324200), (40, 202625), (50, 162100), (100, 81050), (125, 64840), (200, 40525), (250, 32420), (500, 16210), (625, 12968), (1000, 8105), (1250, 6484), (1621, 5000), (2500, 3242)]