28181000

素因数分解:

$2^3\times 5^3\times {\mathrm{28181}}^1$

素因数の和:28202

約数の個数: 32

約数和(自身を含む): 65945880

約数和(自身を除く): 37764880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 28181, 56362, 112724, 140905, 225448, 281810, 563620, 704525, 1127240, 1409050, 2818100, 3522625, 5636200, 7045250, 14090500, 28181000]

約数ペア:

[(1, 28181000), (2, 14090500), (4, 7045250), (5, 5636200), (8, 3522625), (10, 2818100), (20, 1409050), (25, 1127240), (40, 704525), (50, 563620), (100, 281810), (125, 225448), (200, 140905), (250, 112724), (500, 56362), (1000, 28181)]