40318840

素因数分解:

$2^3\times 5^1\times {\mathrm{1007971}}^1$

素因数の和:1007982

約数の個数: 16

約数和(自身を含む): 90717480

約数和(自身を除く): 50398640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1007971, 2015942, 4031884, 5039855, 8063768, 10079710, 20159420, 40318840]

約数ペア:

[(1, 40318840), (2, 20159420), (4, 10079710), (5, 8063768), (8, 5039855), (10, 4031884), (20, 2015942), (40, 1007971)]