4480280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{16001}}^1$

素因数の和:16019

約数の個数: 32

約数和(自身を含む): 11521440

約数和(自身を除く): 7041160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 16001, 32002, 64004, 80005, 112007, 128008, 160010, 224014, 320020, 448028, 560035, 640040, 896056, 1120070, 2240140, 4480280]

約数ペア:

[(1, 4480280), (2, 2240140), (4, 1120070), (5, 896056), (7, 640040), (8, 560035), (10, 448028), (14, 320020), (20, 224014), (28, 160010), (35, 128008), (40, 112007), (56, 80005), (70, 64004), (140, 32002), (280, 16001)]