64637375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1621}}^1$

素因数の和:1676

約数の個数: 32

約数和(自身を含む): 91091520

約数和(自身を除く): 26454145

約数列:

[1, 5, 11, 25, 29, 55, 125, 145, 275, 319, 725, 1375, 1595, 1621, 3625, 7975, 8105, 17831, 39875, 40525, 47009, 89155, 202625, 235045, 445775, 517099, 1175225, 2228875, 2585495, 5876125, 12927475, 64637375]

約数ペア:

[(1, 64637375), (5, 12927475), (11, 5876125), (25, 2585495), (29, 2228875), (55, 1175225), (125, 517099), (145, 445775), (275, 235045), (319, 202625), (725, 89155), (1375, 47009), (1595, 40525), (1621, 39875), (3625, 17831), (7975, 8105)]