1661014760

素因数分解:

$2^3\times 5^1\times {\mathrm{41525369}}^1$

素因数の和:41525380

約数の個数: 16

約数和(自身を含む): 3737283300

約数和(自身を除く): 2076268540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41525369, 83050738, 166101476, 207626845, 332202952, 415253690, 830507380, 1661014760]

約数ペア:

[(1, 1661014760), (2, 830507380), (4, 415253690), (5, 332202952), (8, 207626845), (10, 166101476), (20, 83050738), (40, 41525369)]