40394320

素因数分解:

$2^4\times 5^1\times {\mathrm{504929}}^1$

素因数の和:504942

約数の個数: 20

約数和(自身を含む): 93916980

約数和(自身を除く): 53522660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 504929, 1009858, 2019716, 2524645, 4039432, 5049290, 8078864, 10098580, 20197160, 40394320]

約数ペア:

[(1, 40394320), (2, 20197160), (4, 10098580), (5, 8078864), (8, 5049290), (10, 4039432), (16, 2524645), (20, 2019716), (40, 1009858), (80, 504929)]