248877040

素因数分解:

$2^4\times 5^1\times {\mathrm{3110963}}^1$

素因数の和:3110976

約数の個数: 20

約数和(自身を含む): 578639304

約数和(自身を除く): 329762264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3110963, 6221926, 12443852, 15554815, 24887704, 31109630, 49775408, 62219260, 124438520, 248877040]

約数ペア:

[(1, 248877040), (2, 124438520), (4, 62219260), (5, 49775408), (8, 31109630), (10, 24887704), (16, 15554815), (20, 12443852), (40, 6221926), (80, 3110963)]