415796720

素因数分解:

$2^4\times 5^1\times {\mathrm{5197459}}^1$

素因数の和:5197472

約数の個数: 20

約数和(自身を含む): 966727560

約数和(自身を除く): 550930840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5197459, 10394918, 20789836, 25987295, 41579672, 51974590, 83159344, 103949180, 207898360, 415796720]

約数ペア:

[(1, 415796720), (2, 207898360), (4, 103949180), (5, 83159344), (8, 51974590), (10, 41579672), (16, 25987295), (20, 20789836), (40, 10394918), (80, 5197459)]