31525520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30313}}^1$

素因数の和:30339

約数の個数: 40

約数和(自身を含む): 78937656

約数和(自身を除く): 47412136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30313, 60626, 121252, 151565, 242504, 303130, 394069, 485008, 606260, 788138, 1212520, 1576276, 1970345, 2425040, 3152552, 3940690, 6305104, 7881380, 15762760, 31525520]

約数ペア:

[(1, 31525520), (2, 15762760), (4, 7881380), (5, 6305104), (8, 3940690), (10, 3152552), (13, 2425040), (16, 1970345), (20, 1576276), (26, 1212520), (40, 788138), (52, 606260), (65, 485008), (80, 394069), (104, 303130), (130, 242504), (208, 151565), (260, 121252), (520, 60626), (1040, 30313)]