71281580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{48823}}^1$

素因数の和:48905

約数の個数: 24

約数和(自身を含む): 151744992

約数和(自身を除く): 80463412

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 48823, 97646, 195292, 244115, 488230, 976460, 3564079, 7128158, 14256316, 17820395, 35640790, 71281580]

約数ペア:

[(1, 71281580), (2, 35640790), (4, 17820395), (5, 14256316), (10, 7128158), (20, 3564079), (73, 976460), (146, 488230), (292, 244115), (365, 195292), (730, 97646), (1460, 48823)]