51820375

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 68530176

約数和(自身を除く): 16709801

約数列:

[1, 5, 25, 31, 43, 125, 155, 215, 311, 775, 1075, 1333, 1555, 3875, 5375, 6665, 7775, 9641, 13373, 33325, 38875, 48205, 66865, 166625, 241025, 334325, 414563, 1205125, 1671625, 2072815, 10364075, 51820375]

約数ペア:

[(1, 51820375), (5, 10364075), (25, 2072815), (31, 1671625), (43, 1205125), (125, 414563), (155, 334325), (215, 241025), (311, 166625), (775, 66865), (1075, 48205), (1333, 38875), (1555, 33325), (3875, 13373), (5375, 9641), (6665, 7775)]