26545480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 38772920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 719, 923, 1420, 1438, 1846, 2840, 2876, 3595, 3692, 4615, 5752, 7190, 7384, 9230, 9347, 14380, 18460, 18694, 28760, 36920, 37388, 46735, 51049, 74776, 93470, 102098, 186940, 204196, 255245, 373880, 408392, 510490, 663637, 1020980, 1327274, 2041960, 2654548, 3318185, 5309096, 6636370, 13272740, 26545480]

約数ペア:

[(1, 26545480), (2, 13272740), (4, 6636370), (5, 5309096), (8, 3318185), (10, 2654548), (13, 2041960), (20, 1327274), (26, 1020980), (40, 663637), (52, 510490), (65, 408392), (71, 373880), (104, 255245), (130, 204196), (142, 186940), (260, 102098), (284, 93470), (355, 74776), (520, 51049), (568, 46735), (710, 37388), (719, 36920), (923, 28760), (1420, 18694), (1438, 18460), (1846, 14380), (2840, 9347), (2876, 9230), (3595, 7384), (3692, 7190), (4615, 5752)]