103400720

素因数分解:

$2^4\times 5^1\times {\mathrm{1292509}}^1$

素因数の和:1292522

約数の個数: 20

約数和(自身を含む): 240406860

約数和(自身を除く): 137006140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1292509, 2585018, 5170036, 6462545, 10340072, 12925090, 20680144, 25850180, 51700360, 103400720]

約数ペア:

[(1, 103400720), (2, 51700360), (4, 25850180), (5, 20680144), (8, 12925090), (10, 10340072), (16, 6462545), (20, 5170036), (40, 2585018), (80, 1292509)]