205764320

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9817}}^1$

素因数の和:9963

約数の個数: 48

約数和(自身を含む): 489878928

約数和(自身を除く): 284114608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 1048, 1310, 2096, 2620, 4192, 5240, 9817, 10480, 19634, 20960, 39268, 49085, 78536, 98170, 157072, 196340, 314144, 392680, 785360, 1286027, 1570720, 2572054, 5144108, 6430135, 10288216, 12860270, 20576432, 25720540, 41152864, 51441080, 102882160, 205764320]

約数ペア:

[(1, 205764320), (2, 102882160), (4, 51441080), (5, 41152864), (8, 25720540), (10, 20576432), (16, 12860270), (20, 10288216), (32, 6430135), (40, 5144108), (80, 2572054), (131, 1570720), (160, 1286027), (262, 785360), (524, 392680), (655, 314144), (1048, 196340), (1310, 157072), (2096, 98170), (2620, 78536), (4192, 49085), (5240, 39268), (9817, 20960), (10480, 19634)]