28844120

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{7001}}^1$

素因数の和:7115

約数の個数: 32

約数和(自身を含む): 65538720

約数和(自身を除く): 36694600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 7001, 14002, 28004, 35005, 56008, 70010, 140020, 280040, 721103, 1442206, 2884412, 3605515, 5768824, 7211030, 14422060, 28844120]

約数ペア:

[(1, 28844120), (2, 14422060), (4, 7211030), (5, 5768824), (8, 3605515), (10, 2884412), (20, 1442206), (40, 721103), (103, 280040), (206, 140020), (412, 70010), (515, 56008), (824, 35005), (1030, 28004), (2060, 14002), (4120, 7001)]