2649400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1019}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 6640200

約数和(自身を除く): 3990800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1019, 1300, 2038, 2600, 4076, 5095, 8152, 10190, 13247, 20380, 25475, 26494, 40760, 50950, 52988, 66235, 101900, 105976, 132470, 203800, 264940, 331175, 529880, 662350, 1324700, 2649400]

約数ペア:

[(1, 2649400), (2, 1324700), (4, 662350), (5, 529880), (8, 331175), (10, 264940), (13, 203800), (20, 132470), (25, 105976), (26, 101900), (40, 66235), (50, 52988), (52, 50950), (65, 40760), (100, 26494), (104, 25475), (130, 20380), (200, 13247), (260, 10190), (325, 8152), (520, 5095), (650, 4076), (1019, 2600), (1300, 2038)]