9969051880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4085677}}^1$

素因数の和:4085749

約数の個数: 32

約数和(自身を含む): 22798083240

約数和(自身を除く): 12829031360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 4085677, 8171354, 16342708, 20428385, 32685416, 40856770, 81713540, 163427080, 249226297, 498452594, 996905188, 1246131485, 1993810376, 2492262970, 4984525940, 9969051880]

約数ペア:

[(1, 9969051880), (2, 4984525940), (4, 2492262970), (5, 1993810376), (8, 1246131485), (10, 996905188), (20, 498452594), (40, 249226297), (61, 163427080), (122, 81713540), (244, 40856770), (305, 32685416), (488, 20428385), (610, 16342708), (1220, 8171354), (2440, 4085677)]