31191875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:393

約数の個数: 40

約数和(自身を含む): 45922800

約数和(自身を除く): 14730925

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 349, 625, 715, 1375, 1625, 1745, 3575, 3839, 4537, 6875, 8125, 8725, 17875, 19195, 22685, 43625, 49907, 89375, 95975, 113425, 218125, 249535, 479875, 567125, 1247675, 2399375, 2835625, 6238375, 31191875]

約数ペア:

[(1, 31191875), (5, 6238375), (11, 2835625), (13, 2399375), (25, 1247675), (55, 567125), (65, 479875), (125, 249535), (143, 218125), (275, 113425), (325, 95975), (349, 89375), (625, 49907), (715, 43625), (1375, 22685), (1625, 19195), (1745, 17875), (3575, 8725), (3839, 8125), (4537, 6875)]