42657040

素因数分解:

$2^4\times 5^1\times {\mathrm{533213}}^1$

素因数の和:533226

約数の個数: 20

約数和(自身を含む): 99177804

約数和(自身を除く): 56520764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 533213, 1066426, 2132852, 2666065, 4265704, 5332130, 8531408, 10664260, 21328520, 42657040]

約数ペア:

[(1, 42657040), (2, 21328520), (4, 10664260), (5, 8531408), (8, 5332130), (10, 4265704), (16, 2666065), (20, 2132852), (40, 1066426), (80, 533213)]