26820040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51577}}^1$

素因数の和:51601

約数の個数: 32

約数和(自身を含む): 64988280

約数和(自身を除く): 38168240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 51577, 103154, 206308, 257885, 412616, 515770, 670501, 1031540, 1341002, 2063080, 2682004, 3352505, 5364008, 6705010, 13410020, 26820040]

約数ペア:

[(1, 26820040), (2, 13410020), (4, 6705010), (5, 5364008), (8, 3352505), (10, 2682004), (13, 2063080), (20, 1341002), (26, 1031540), (40, 670501), (52, 515770), (65, 412616), (104, 257885), (130, 206308), (260, 103154), (520, 51577)]