17921120

素因数分解:

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

素因数の和:16023

約数の個数: 48

約数和(自身を含む): 48390048

約数和(自身を除く): 30468928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16001, 32002, 64004, 80005, 112007, 128008, 160010, 224014, 256016, 320020, 448028, 512032, 560035, 640040, 896056, 1120070, 1280080, 1792112, 2240140, 2560160, 3584224, 4480280, 8960560, 17921120]

約数ペア:

[(1, 17921120), (2, 8960560), (4, 4480280), (5, 3584224), (7, 2560160), (8, 2240140), (10, 1792112), (14, 1280080), (16, 1120070), (20, 896056), (28, 640040), (32, 560035), (35, 512032), (40, 448028), (56, 320020), (70, 256016), (80, 224014), (112, 160010), (140, 128008), (160, 112007), (224, 80005), (280, 64004), (560, 32002), (1120, 16001)]