207325820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61339}}^1$

素因数の和:61374

約数の個数: 36

約数和(自身を含む): 471459240

約数和(自身を除く): 264133420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 61339, 122678, 245356, 306695, 613390, 797407, 1226780, 1594814, 3189628, 3987035, 7974070, 10366291, 15948140, 20732582, 41465164, 51831455, 103662910, 207325820]

約数ペア:

[(1, 207325820), (2, 103662910), (4, 51831455), (5, 41465164), (10, 20732582), (13, 15948140), (20, 10366291), (26, 7974070), (52, 3987035), (65, 3189628), (130, 1594814), (169, 1226780), (260, 797407), (338, 613390), (676, 306695), (845, 245356), (1690, 122678), (3380, 61339)]