40364840

素因数分解:

$2^3\times 5^1\times {\mathrm{1009121}}^1$

素因数の和:1009132

約数の個数: 16

約数和(自身を含む): 90820980

約数和(自身を除く): 50456140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009121, 2018242, 4036484, 5045605, 8072968, 10091210, 20182420, 40364840]

約数ペア:

[(1, 40364840), (2, 20182420), (4, 10091210), (5, 8072968), (8, 5045605), (10, 4036484), (20, 2018242), (40, 1009121)]