40070225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 53954880

約数和(自身を除く): 13884655

約数列:

[1, 5, 13, 25, 65, 139, 325, 695, 887, 1807, 3475, 4435, 9035, 11531, 22175, 45175, 57655, 123293, 288275, 616465, 1602809, 3082325, 8014045, 40070225]

約数ペア:

[(1, 40070225), (5, 8014045), (13, 3082325), (25, 1602809), (65, 616465), (139, 288275), (325, 123293), (695, 57655), (887, 45175), (1807, 22175), (3475, 11531), (4435, 9035)]