28672670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220559}}^1$

素因数の和:220579

約数の個数: 16

約数和(自身を含む): 55581120

約数和(自身を除く): 26908450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 220559, 441118, 1102795, 2205590, 2867267, 5734534, 14336335, 28672670]

約数ペア:

[(1, 28672670), (2, 14336335), (5, 5734534), (10, 2867267), (13, 2205590), (26, 1102795), (65, 441118), (130, 220559)]