22745000

素因数分解:

$2^3\times 5^4\times {\mathrm{4549}}^1$

素因数の和:4575

約数の個数: 40

約数和(自身を含む): 53303250

約数和(自身を除く): 30558250

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 4549, 5000, 9098, 18196, 22745, 36392, 45490, 90980, 113725, 181960, 227450, 454900, 568625, 909800, 1137250, 2274500, 2843125, 4549000, 5686250, 11372500, 22745000]

約数ペア:

[(1, 22745000), (2, 11372500), (4, 5686250), (5, 4549000), (8, 2843125), (10, 2274500), (20, 1137250), (25, 909800), (40, 568625), (50, 454900), (100, 227450), (125, 181960), (200, 113725), (250, 90980), (500, 45490), (625, 36392), (1000, 22745), (1250, 18196), (2500, 9098), (4549, 5000)]