86661025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3989}}^1$

素因数の和:4089

約数の個数: 24

約数和(自身を含む): 118742400

約数和(自身を除く): 32081375

約数列:

[1, 5, 11, 25, 55, 79, 275, 395, 869, 1975, 3989, 4345, 19945, 21725, 43879, 99725, 219395, 315131, 1096975, 1575655, 3466441, 7878275, 17332205, 86661025]

約数ペア:

[(1, 86661025), (5, 17332205), (11, 7878275), (25, 3466441), (55, 1575655), (79, 1096975), (275, 315131), (395, 219395), (869, 99725), (1975, 43879), (3989, 21725), (4345, 19945)]