26220280

素因数分解:

$2^3\times 5^1\times {\mathrm{655507}}^1$

素因数の和:655518

約数の個数: 16

約数和(自身を含む): 58995720

約数和(自身を除く): 32775440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 655507, 1311014, 2622028, 3277535, 5244056, 6555070, 13110140, 26220280]

約数ペア:

[(1, 26220280), (2, 13110140), (4, 6555070), (5, 5244056), (8, 3277535), (10, 2622028), (20, 1311014), (40, 655507)]