15664026320

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1494659}}^1$

素因数の和:1494803

約数の個数: 40

約数和(自身を含む): 36696892320

約数和(自身を除く): 21032866000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 1494659, 2989318, 5978636, 7473295, 11957272, 14946590, 23914544, 29893180, 59786360, 119572720, 195800329, 391600658, 783201316, 979001645, 1566402632, 1958003290, 3132805264, 3916006580, 7832013160, 15664026320]

約数ペア:

[(1, 15664026320), (2, 7832013160), (4, 3916006580), (5, 3132805264), (8, 1958003290), (10, 1566402632), (16, 979001645), (20, 783201316), (40, 391600658), (80, 195800329), (131, 119572720), (262, 59786360), (524, 29893180), (655, 23914544), (1048, 14946590), (1310, 11957272), (2096, 7473295), (2620, 5978636), (5240, 2989318), (10480, 1494659)]