53921875

素因数分解:

$5^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:83

約数の個数: 56

約数和(自身を含む): 84373920

約数和(自身を除く): 30452045

約数列:

[1, 5, 7, 17, 25, 29, 35, 85, 119, 125, 145, 175, 203, 425, 493, 595, 625, 725, 875, 1015, 2125, 2465, 2975, 3125, 3451, 3625, 4375, 5075, 10625, 12325, 14875, 15625, 17255, 18125, 21875, 25375, 53125, 61625, 74375, 86275, 90625, 109375, 126875, 265625, 308125, 371875, 431375, 453125, 634375, 1540625, 1859375, 2156875, 3171875, 7703125, 10784375, 53921875]

約数ペア:

[(1, 53921875), (5, 10784375), (7, 7703125), (17, 3171875), (25, 2156875), (29, 1859375), (35, 1540625), (85, 634375), (119, 453125), (125, 431375), (145, 371875), (175, 308125), (203, 265625), (425, 126875), (493, 109375), (595, 90625), (625, 86275), (725, 74375), (875, 61625), (1015, 53125), (2125, 25375), (2465, 21875), (2975, 18125), (3125, 17255), (3451, 15625), (3625, 14875), (4375, 12325), (5075, 10625)]