11142500

素因数分解:

$2^2\times 5^4\times {\mathrm{4457}}^1$

素因数の和:4481

約数の個数: 30

約数和(自身を含む): 24371886

約数和(自身を除く): 13229386

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 4457, 8914, 17828, 22285, 44570, 89140, 111425, 222850, 445700, 557125, 1114250, 2228500, 2785625, 5571250, 11142500]

約数ペア:

[(1, 11142500), (2, 5571250), (4, 2785625), (5, 2228500), (10, 1114250), (20, 557125), (25, 445700), (50, 222850), (100, 111425), (125, 89140), (250, 44570), (500, 22285), (625, 17828), (1250, 8914), (2500, 4457)]