42620945

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{569}}^1$

素因数の和:856

約数の個数: 16

約数和(自身を含む): 52202880

約数和(自身を除く): 9581935

約数列:

[1, 5, 71, 211, 355, 569, 1055, 2845, 14981, 40399, 74905, 120059, 201995, 600295, 8524189, 42620945]

約数ペア:

[(1, 42620945), (5, 8524189), (71, 600295), (211, 201995), (355, 120059), (569, 74905), (1055, 40399), (2845, 14981)]