87686425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10859}}^1$

素因数の和:10905

約数の個数: 24

約数和(自身を含む): 121197600

約数和(自身を除く): 33511175

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 8075, 10859, 54295, 184603, 206321, 271475, 923015, 1031605, 3507457, 4615075, 5158025, 17537285, 87686425]

約数ペア:

[(1, 87686425), (5, 17537285), (17, 5158025), (19, 4615075), (25, 3507457), (85, 1031605), (95, 923015), (323, 271475), (425, 206321), (475, 184603), (1615, 54295), (8075, 10859)]