27690125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 37065600

約数和(自身を除く): 9375475

約数列:

[1, 5, 19, 25, 89, 95, 125, 131, 445, 475, 655, 1691, 2225, 2375, 2489, 3275, 8455, 11125, 11659, 12445, 16375, 42275, 58295, 62225, 211375, 221521, 291475, 311125, 1107605, 1457375, 5538025, 27690125]

約数ペア:

[(1, 27690125), (5, 5538025), (19, 1457375), (25, 1107605), (89, 311125), (95, 291475), (125, 221521), (131, 211375), (445, 62225), (475, 58295), (655, 42275), (1691, 16375), (2225, 12445), (2375, 11659), (2489, 11125), (3275, 8455)]