80966320

素因数分解:

$2^4\times 5^1\times {\mathrm{1012079}}^1$

素因数の和:1012092

約数の個数: 20

約数和(自身を含む): 188246880

約数和(自身を除く): 107280560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1012079, 2024158, 4048316, 5060395, 8096632, 10120790, 16193264, 20241580, 40483160, 80966320]

約数ペア:

[(1, 80966320), (2, 40483160), (4, 20241580), (5, 16193264), (8, 10120790), (10, 8096632), (16, 5060395), (20, 4048316), (40, 2024158), (80, 1012079)]