39902920

素因数分解:

$2^3\times 5^1\times {\mathrm{997573}}^1$

素因数の和:997584

約数の個数: 16

約数和(自身を含む): 89781660

約数和(自身を除く): 49878740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997573, 1995146, 3990292, 4987865, 7980584, 9975730, 19951460, 39902920]

約数ペア:

[(1, 39902920), (2, 19951460), (4, 9975730), (5, 7980584), (8, 4987865), (10, 3990292), (20, 1995146), (40, 997573)]