51446320

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4909}}^1$

素因数の和:5053

約数の個数: 40

約数和(自身を含む): 120550320

約数和(自身を除く): 69104000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 4909, 5240, 9818, 10480, 19636, 24545, 39272, 49090, 78544, 98180, 196360, 392720, 643079, 1286158, 2572316, 3215395, 5144632, 6430790, 10289264, 12861580, 25723160, 51446320]

約数ペア:

[(1, 51446320), (2, 25723160), (4, 12861580), (5, 10289264), (8, 6430790), (10, 5144632), (16, 3215395), (20, 2572316), (40, 1286158), (80, 643079), (131, 392720), (262, 196360), (524, 98180), (655, 78544), (1048, 49090), (1310, 39272), (2096, 24545), (2620, 19636), (4909, 10480), (5240, 9818)]