22285000

素因数分解:

$2^3\times 5^4\times {\mathrm{4457}}^1$

素因数の和:4483

約数の個数: 40

約数和(自身を含む): 52225470

約数和(自身を除く): 29940470

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 4457, 5000, 8914, 17828, 22285, 35656, 44570, 89140, 111425, 178280, 222850, 445700, 557125, 891400, 1114250, 2228500, 2785625, 4457000, 5571250, 11142500, 22285000]

約数ペア:

[(1, 22285000), (2, 11142500), (4, 5571250), (5, 4457000), (8, 2785625), (10, 2228500), (20, 1114250), (25, 891400), (40, 557125), (50, 445700), (100, 222850), (125, 178280), (200, 111425), (250, 89140), (500, 44570), (625, 35656), (1000, 22285), (1250, 17828), (2500, 8914), (4457, 5000)]