27898040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17011}}^1$

素因数の和:17063

約数の個数: 32

約数和(自身を含む): 64305360

約数和(自身を除く): 36407320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 17011, 34022, 68044, 85055, 136088, 170110, 340220, 680440, 697451, 1394902, 2789804, 3487255, 5579608, 6974510, 13949020, 27898040]

約数ペア:

[(1, 27898040), (2, 13949020), (4, 6974510), (5, 5579608), (8, 3487255), (10, 2789804), (20, 1394902), (40, 697451), (41, 680440), (82, 340220), (164, 170110), (205, 136088), (328, 85055), (410, 68044), (820, 34022), (1640, 17011)]