88897040

素因数分解:

$2^4\times 5^1\times {\mathrm{1111213}}^1$

素因数の和:1111226

約数の個数: 20

約数和(自身を含む): 206685804

約数和(自身を除く): 117788764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1111213, 2222426, 4444852, 5556065, 8889704, 11112130, 17779408, 22224260, 44448520, 88897040]

約数ペア:

[(1, 88897040), (2, 44448520), (4, 22224260), (5, 17779408), (8, 11112130), (10, 8889704), (16, 5556065), (20, 4444852), (40, 2222426), (80, 1111213)]