42649780

素因数分解:

$2^2\times 5^1\times {\mathrm{1327}}^1\times {\mathrm{1607}}^1$

素因数の和:2943

約数の個数: 24

約数和(自身を含む): 89687808

約数和(自身を除く): 47038028

約数列:

[1, 2, 4, 5, 10, 20, 1327, 1607, 2654, 3214, 5308, 6428, 6635, 8035, 13270, 16070, 26540, 32140, 2132489, 4264978, 8529956, 10662445, 21324890, 42649780]

約数ペア:

[(1, 42649780), (2, 21324890), (4, 10662445), (5, 8529956), (10, 4264978), (20, 2132489), (1327, 32140), (1607, 26540), (2654, 16070), (3214, 13270), (5308, 8035), (6428, 6635)]