42136720

素因数分解:

$2^4\times 5^1\times {\mathrm{526709}}^1$

素因数の和:526722

約数の個数: 20

約数和(自身を含む): 97968060

約数和(自身を除く): 55831340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 526709, 1053418, 2106836, 2633545, 4213672, 5267090, 8427344, 10534180, 21068360, 42136720]

約数ペア:

[(1, 42136720), (2, 21068360), (4, 10534180), (5, 8427344), (8, 5267090), (10, 4213672), (16, 2633545), (20, 2106836), (40, 1053418), (80, 526709)]