40257685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19979}}^1$

素因数の和:20028

約数の個数: 16

約数和(自身を含む): 53706240

約数和(自身を除く): 13448555

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 19979, 99895, 259727, 619349, 1298635, 3096745, 8051537, 40257685]

約数ペア:

[(1, 40257685), (5, 8051537), (13, 3096745), (31, 1298635), (65, 619349), (155, 259727), (403, 99895), (2015, 19979)]