264380498320

素因数分解:

$2^4\times 5^1\times {\mathrm{3304756229}}^1$

素因数の和:3304756242

約数の個数: 20

約数和(自身を含む): 614684658780

約数和(自身を除く): 350304160460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3304756229, 6609512458, 13219024916, 16523781145, 26438049832, 33047562290, 52876099664, 66095124580, 132190249160, 264380498320]

約数ペア:

[(1, 264380498320), (2, 132190249160), (4, 66095124580), (5, 52876099664), (8, 33047562290), (10, 26438049832), (16, 16523781145), (20, 13219024916), (40, 6609512458), (80, 3304756229)]