40390415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{27017}}^1$

素因数の和:27058

約数の個数: 16

約数和(自身を含む): 54468288

約数和(自身を除く): 14077873

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 27017, 135085, 351221, 621391, 1756105, 3106955, 8078083, 40390415]

約数ペア:

[(1, 40390415), (5, 8078083), (13, 3106955), (23, 1756105), (65, 621391), (115, 351221), (299, 135085), (1495, 27017)]