165280731856

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{5039}}^1\times {\mathrm{15649}}^1$

素因数の和:20827

約数の個数: 40

約数和(自身を含む): 322760592000

約数和(自身を除く): 157479860144

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 5039, 10078, 15649, 20156, 31298, 40312, 62596, 80624, 125192, 250384, 660109, 1320218, 2050019, 2640436, 4100038, 5280872, 8200076, 10561744, 16400152, 32800304, 78855311, 157710622, 315421244, 630842488, 1261684976, 10330045741, 20660091482, 41320182964, 82640365928, 165280731856]

約数ペア:

[(1, 165280731856), (2, 82640365928), (4, 41320182964), (8, 20660091482), (16, 10330045741), (131, 1261684976), (262, 630842488), (524, 315421244), (1048, 157710622), (2096, 78855311), (5039, 32800304), (10078, 16400152), (15649, 10561744), (20156, 8200076), (31298, 5280872), (40312, 4100038), (62596, 2640436), (80624, 2050019), (125192, 1320218), (250384, 660109)]