2580344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 5340720

約数和(自身を除く): 2760376

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 577, 1118, 1154, 2236, 2308, 4472, 4616, 7501, 15002, 24811, 30004, 49622, 60008, 99244, 198488, 322543, 645086, 1290172, 2580344]

約数ペア:

[(1, 2580344), (2, 1290172), (4, 645086), (8, 322543), (13, 198488), (26, 99244), (43, 60008), (52, 49622), (86, 30004), (104, 24811), (172, 15002), (344, 7501), (559, 4616), (577, 4472), (1118, 2308), (1154, 2236)]