847665520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{815063}}^1$

素因数の和:815089

約数の個数: 40

約数和(自身を含む): 2122426656

約数和(自身を除く): 1274761136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 815063, 1630126, 3260252, 4075315, 6520504, 8150630, 10595819, 13041008, 16301260, 21191638, 32602520, 42383276, 52979095, 65205040, 84766552, 105958190, 169533104, 211916380, 423832760, 847665520]

約数ペア:

[(1, 847665520), (2, 423832760), (4, 211916380), (5, 169533104), (8, 105958190), (10, 84766552), (13, 65205040), (16, 52979095), (20, 42383276), (26, 32602520), (40, 21191638), (52, 16301260), (65, 13041008), (80, 10595819), (104, 8150630), (130, 6520504), (208, 4075315), (260, 3260252), (520, 1630126), (1040, 815063)]