40038265

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{523}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 49121856

約数和(自身を除く): 9083591

約数列:

[1, 5, 61, 251, 305, 523, 1255, 2615, 15311, 31903, 76555, 131273, 159515, 656365, 8007653, 40038265]

約数ペア:

[(1, 40038265), (5, 8007653), (61, 656365), (251, 159515), (305, 131273), (523, 76555), (1255, 31903), (2615, 15311)]