40205516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17981}}^1$

素因数の和:18041

約数の個数: 24

約数和(自身を含む): 77538384

約数和(自身を除く): 37332868

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 17981, 35962, 71924, 233753, 467506, 773183, 935012, 1546366, 3092732, 10051379, 20102758, 40205516]

約数ペア:

[(1, 40205516), (2, 20102758), (4, 10051379), (13, 3092732), (26, 1546366), (43, 935012), (52, 773183), (86, 467506), (172, 233753), (559, 71924), (1118, 35962), (2236, 17981)]