43199780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12781}}^1$

素因数の和:12816

約数の個数: 36

約数和(自身を含む): 98242452

約数和(自身を除く): 55042672

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 12781, 25562, 51124, 63905, 127810, 166153, 255620, 332306, 664612, 830765, 1661530, 2159989, 3323060, 4319978, 8639956, 10799945, 21599890, 43199780]

約数ペア:

[(1, 43199780), (2, 21599890), (4, 10799945), (5, 8639956), (10, 4319978), (13, 3323060), (20, 2159989), (26, 1661530), (52, 830765), (65, 664612), (130, 332306), (169, 255620), (260, 166153), (338, 127810), (676, 63905), (845, 51124), (1690, 25562), (3380, 12781)]