80512690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{423751}}^1$

素因数の和:423777

約数の個数: 16

約数和(自身を含む): 152550720

約数和(自身を除く): 72038030

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 423751, 847502, 2118755, 4237510, 8051269, 16102538, 40256345, 80512690]

約数ペア:

[(1, 80512690), (2, 40256345), (5, 16102538), (10, 8051269), (19, 4237510), (38, 2118755), (95, 847502), (190, 423751)]