26662840

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2789}}^1$

素因数の和:3039

約数の個数: 32

約数和(自身を含む): 60264000

約数和(自身を除く): 33601160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 2789, 4780, 5578, 9560, 11156, 13945, 22312, 27890, 55780, 111560, 666571, 1333142, 2666284, 3332855, 5332568, 6665710, 13331420, 26662840]

約数ペア:

[(1, 26662840), (2, 13331420), (4, 6665710), (5, 5332568), (8, 3332855), (10, 2666284), (20, 1333142), (40, 666571), (239, 111560), (478, 55780), (956, 27890), (1195, 22312), (1912, 13945), (2390, 11156), (2789, 9560), (4780, 5578)]