156795280

素因数分解:

$2^4\times 5^1\times {\mathrm{1959941}}^1$

素因数の和:1959954

約数の個数: 20

約数和(自身を含む): 364549212

約数和(自身を除く): 207753932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1959941, 3919882, 7839764, 9799705, 15679528, 19599410, 31359056, 39198820, 78397640, 156795280]

約数ペア:

[(1, 156795280), (2, 78397640), (4, 39198820), (5, 31359056), (8, 19599410), (10, 15679528), (16, 9799705), (20, 7839764), (40, 3919882), (80, 1959941)]