5071280

素因数分解:

$2^4\times 5^1\times {\mathrm{63391}}^1$

素因数の和:63404

約数の個数: 20

約数和(自身を含む): 11790912

約数和(自身を除く): 6719632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 63391, 126782, 253564, 316955, 507128, 633910, 1014256, 1267820, 2535640, 5071280]

約数ペア:

[(1, 5071280), (2, 2535640), (4, 1267820), (5, 1014256), (8, 633910), (10, 507128), (16, 316955), (20, 253564), (40, 126782), (80, 63391)]