42164072

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{128549}}^1$

素因数の和:128596

約数の個数: 16

約数和(自身を含む): 80986500

約数和(自身を除く): 38822428

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 128549, 257098, 514196, 1028392, 5270509, 10541018, 21082036, 42164072]

約数ペア:

[(1, 42164072), (2, 21082036), (4, 10541018), (8, 5270509), (41, 1028392), (82, 514196), (164, 257098), (328, 128549)]