40120628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{821}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 74111520

約数和(自身を除く): 33990892

約数列:

[1, 2, 4, 19, 38, 76, 643, 821, 1286, 1642, 2572, 3284, 12217, 15599, 24434, 31198, 48868, 62396, 527903, 1055806, 2111612, 10030157, 20060314, 40120628]

約数ペア:

[(1, 40120628), (2, 20060314), (4, 10030157), (19, 2111612), (38, 1055806), (76, 527903), (643, 62396), (821, 48868), (1286, 31198), (1642, 24434), (2572, 15599), (3284, 12217)]