3640280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13001}}^1$

素因数の和:13019

約数の個数: 32

約数和(自身を含む): 9361440

約数和(自身を除く): 5721160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 13001, 26002, 52004, 65005, 91007, 104008, 130010, 182014, 260020, 364028, 455035, 520040, 728056, 910070, 1820140, 3640280]

約数ペア:

[(1, 3640280), (2, 1820140), (4, 910070), (5, 728056), (7, 520040), (8, 455035), (10, 364028), (14, 260020), (20, 182014), (28, 130010), (35, 104008), (40, 91007), (56, 65005), (70, 52004), (140, 26002), (280, 13001)]