1821260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13009}}^1$

素因数の和:13025

約数の個数: 24

約数和(自身を含む): 4371360

約数和(自身を除く): 2550100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 13009, 26018, 52036, 65045, 91063, 130090, 182126, 260180, 364252, 455315, 910630, 1821260]

約数ペア:

[(1, 1821260), (2, 910630), (4, 455315), (5, 364252), (7, 260180), (10, 182126), (14, 130090), (20, 91063), (28, 65045), (35, 52036), (70, 26018), (140, 13009)]