22400800

素因数分解:

$2^5\times 5^2\times {\mathrm{28001}}^1$

素因数の和:28021

約数の個数: 36

約数和(自身を含む): 54687906

約数和(自身を除く): 32287106

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 28001, 56002, 112004, 140005, 224008, 280010, 448016, 560020, 700025, 896032, 1120040, 1400050, 2240080, 2800100, 4480160, 5600200, 11200400, 22400800]

約数ペア:

[(1, 22400800), (2, 11200400), (4, 5600200), (5, 4480160), (8, 2800100), (10, 2240080), (16, 1400050), (20, 1120040), (25, 896032), (32, 700025), (40, 560020), (50, 448016), (80, 280010), (100, 224008), (160, 140005), (200, 112004), (400, 56002), (800, 28001)]