81580348520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{387077}}^1$

素因数の和:387578

約数の個数: 64

約数和(自身を含む): 200661235200

約数和(自身を除く): 119080886680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 479, 958, 1916, 2395, 3832, 4790, 5269, 9580, 10538, 19160, 21076, 26345, 42152, 52690, 105380, 210760, 387077, 774154, 1548308, 1935385, 3096616, 3870770, 4257847, 7741540, 8515694, 15483080, 17031388, 21289235, 34062776, 42578470, 85156940, 170313880, 185409883, 370819766, 741639532, 927049415, 1483279064, 1854098830, 2039508713, 3708197660, 4079017426, 7416395320, 8158034852, 10197543565, 16316069704, 20395087130, 40790174260, 81580348520]

約数ペア:

[(1, 81580348520), (2, 40790174260), (4, 20395087130), (5, 16316069704), (8, 10197543565), (10, 8158034852), (11, 7416395320), (20, 4079017426), (22, 3708197660), (40, 2039508713), (44, 1854098830), (55, 1483279064), (88, 927049415), (110, 741639532), (220, 370819766), (440, 185409883), (479, 170313880), (958, 85156940), (1916, 42578470), (2395, 34062776), (3832, 21289235), (4790, 17031388), (5269, 15483080), (9580, 8515694), (10538, 7741540), (19160, 4257847), (21076, 3870770), (26345, 3096616), (42152, 1935385), (52690, 1548308), (105380, 774154), (210760, 387077)]