40821505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{7873}}^1$

素因数の和:7956

約数の個数: 16

約数和(自身を含む): 52724304

約数和(自身を除く): 11902799

約数列:

[1, 5, 17, 61, 85, 305, 1037, 5185, 7873, 39365, 133841, 480253, 669205, 2401265, 8164301, 40821505]

約数ペア:

[(1, 40821505), (5, 8164301), (17, 2401265), (61, 669205), (85, 480253), (305, 133841), (1037, 39365), (5185, 7873)]