205500010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{25153}}^1$

素因数の和:25222

約数の個数: 32

約数和(自身を含む): 398439360

約数和(自身を除く): 192939350

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 25153, 50306, 125765, 251530, 477907, 955814, 1081579, 2163158, 2389535, 4779070, 5407895, 10815790, 20550001, 41100002, 102750005, 205500010]

約数ペア:

[(1, 205500010), (2, 102750005), (5, 41100002), (10, 20550001), (19, 10815790), (38, 5407895), (43, 4779070), (86, 2389535), (95, 2163158), (190, 1081579), (215, 955814), (430, 477907), (817, 251530), (1634, 125765), (4085, 50306), (8170, 25153)]