4955565520

素因数分解:

$2^4\times 5^1\times {\mathrm{61944569}}^1$

素因数の和:61944582

約数の個数: 20

約数和(自身を含む): 11521690020

約数和(自身を除く): 6566124500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 61944569, 123889138, 247778276, 309722845, 495556552, 619445690, 991113104, 1238891380, 2477782760, 4955565520]

約数ペア:

[(1, 4955565520), (2, 2477782760), (4, 1238891380), (5, 991113104), (8, 619445690), (10, 495556552), (16, 309722845), (20, 247778276), (40, 123889138), (80, 61944569)]