42039985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1009}}^1$

素因数の和:1668

約数の個数: 16

約数和(自身を含む): 54467280

約数和(自身を除く): 12427295

約数列:

[1, 5, 13, 65, 641, 1009, 3205, 5045, 8333, 13117, 41665, 65585, 646769, 3233845, 8407997, 42039985]

約数ペア:

[(1, 42039985), (5, 8407997), (13, 3233845), (65, 646769), (641, 65585), (1009, 41665), (3205, 13117), (5045, 8333)]