8418800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1619}}^1$

素因数の和:1650

約数の個数: 60

約数和(自身を含む): 21795480

約数和(自身を除く): 13376680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 1619, 2600, 3238, 5200, 6476, 8095, 12952, 16190, 21047, 25904, 32380, 40475, 42094, 64760, 80950, 84188, 105235, 129520, 161900, 168376, 210470, 323800, 336752, 420940, 526175, 647600, 841880, 1052350, 1683760, 2104700, 4209400, 8418800]

約数ペア:

[(1, 8418800), (2, 4209400), (4, 2104700), (5, 1683760), (8, 1052350), (10, 841880), (13, 647600), (16, 526175), (20, 420940), (25, 336752), (26, 323800), (40, 210470), (50, 168376), (52, 161900), (65, 129520), (80, 105235), (100, 84188), (104, 80950), (130, 64760), (200, 42094), (208, 40475), (260, 32380), (325, 25904), (400, 21047), (520, 16190), (650, 12952), (1040, 8095), (1300, 6476), (1619, 5200), (2600, 3238)]