81184220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{24019}}^1$

素因数の和:24054

約数の個数: 36

約数和(自身を含む): 184617720

約数和(自身を除く): 103433500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 24019, 48038, 96076, 120095, 240190, 312247, 480380, 624494, 1248988, 1561235, 3122470, 4059211, 6244940, 8118422, 16236844, 20296055, 40592110, 81184220]

約数ペア:

[(1, 81184220), (2, 40592110), (4, 20296055), (5, 16236844), (10, 8118422), (13, 6244940), (20, 4059211), (26, 3122470), (52, 1561235), (65, 1248988), (130, 624494), (169, 480380), (260, 312247), (338, 240190), (676, 120095), (845, 96076), (1690, 48038), (3380, 24019)]