22001500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 48746880

約数和(自身を除く): 26745380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 557, 790, 1114, 1580, 1975, 2228, 2785, 3950, 5570, 7900, 9875, 11140, 13925, 19750, 27850, 39500, 44003, 55700, 69625, 88006, 139250, 176012, 220015, 278500, 440030, 880060, 1100075, 2200150, 4400300, 5500375, 11000750, 22001500]

約数ペア:

[(1, 22001500), (2, 11000750), (4, 5500375), (5, 4400300), (10, 2200150), (20, 1100075), (25, 880060), (50, 440030), (79, 278500), (100, 220015), (125, 176012), (158, 139250), (250, 88006), (316, 69625), (395, 55700), (500, 44003), (557, 39500), (790, 27850), (1114, 19750), (1580, 13925), (1975, 11140), (2228, 9875), (2785, 7900), (3950, 5570)]