4052500

素因数分解:

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

素因数の和:1645

約数の個数: 30

約数和(自身を含む): 8867474

約数和(自身を除く): 4814974

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 1621, 2500, 3242, 6484, 8105, 16210, 32420, 40525, 81050, 162100, 202625, 405250, 810500, 1013125, 2026250, 4052500]

約数ペア:

[(1, 4052500), (2, 2026250), (4, 1013125), (5, 810500), (10, 405250), (20, 202625), (25, 162100), (50, 81050), (100, 40525), (125, 32420), (250, 16210), (500, 8105), (625, 6484), (1250, 3242), (1621, 2500)]