28300040

素因数分解:

$2^3\times 5^1\times {\mathrm{707501}}^1$

素因数の和:707512

約数の個数: 16

約数和(自身を含む): 63675180

約数和(自身を除く): 35375140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 707501, 1415002, 2830004, 3537505, 5660008, 7075010, 14150020, 28300040]

約数ペア:

[(1, 28300040), (2, 14150020), (4, 7075010), (5, 5660008), (8, 3537505), (10, 2830004), (20, 1415002), (40, 707501)]