78666460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{207017}}^1$

素因数の和:207045

約数の個数: 24

約数和(自身を含む): 173895120

約数和(自身を除く): 95228660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 207017, 414034, 828068, 1035085, 2070170, 3933323, 4140340, 7866646, 15733292, 19666615, 39333230, 78666460]

約数ペア:

[(1, 78666460), (2, 39333230), (4, 19666615), (5, 15733292), (10, 7866646), (19, 4140340), (20, 3933323), (38, 2070170), (76, 1035085), (95, 828068), (190, 414034), (380, 207017)]