13144520

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{881}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 29688120

約数和(自身を除く): 16543600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 881, 1492, 1762, 1865, 2984, 3524, 3730, 4405, 7048, 7460, 8810, 14920, 17620, 35240, 328613, 657226, 1314452, 1643065, 2628904, 3286130, 6572260, 13144520]

約数ペア:

[(1, 13144520), (2, 6572260), (4, 3286130), (5, 2628904), (8, 1643065), (10, 1314452), (20, 657226), (40, 328613), (373, 35240), (746, 17620), (881, 14920), (1492, 8810), (1762, 7460), (1865, 7048), (2984, 4405), (3524, 3730)]