40821670

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{51673}}^1$

素因数の和:51759

約数の個数: 16

約数和(自身を含む): 74410560

約数和(自身を除く): 33588890

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 51673, 103346, 258365, 516730, 4082167, 8164334, 20410835, 40821670]

約数ペア:

[(1, 40821670), (2, 20410835), (5, 8164334), (10, 4082167), (79, 516730), (158, 258365), (395, 103346), (790, 51673)]