49665680

素因数分解:

$2^4\times 5^1\times {\mathrm{620821}}^1$

素因数の和:620834

約数の個数: 20

約数和(自身を含む): 115472892

約数和(自身を除く): 65807212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 620821, 1241642, 2483284, 3104105, 4966568, 6208210, 9933136, 12416420, 24832840, 49665680]

約数ペア:

[(1, 49665680), (2, 24832840), (4, 12416420), (5, 9933136), (8, 6208210), (10, 4966568), (16, 3104105), (20, 2483284), (40, 1241642), (80, 620821)]