29121640

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1459}}^1$

素因数の和:1969

約数の個数: 32

約数和(自身を含む): 65700000

約数和(自身を除く): 36578360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1459, 1996, 2495, 2918, 3992, 4990, 5836, 7295, 9980, 11672, 14590, 19960, 29180, 58360, 728041, 1456082, 2912164, 3640205, 5824328, 7280410, 14560820, 29121640]

約数ペア:

[(1, 29121640), (2, 14560820), (4, 7280410), (5, 5824328), (8, 3640205), (10, 2912164), (20, 1456082), (40, 728041), (499, 58360), (998, 29180), (1459, 19960), (1996, 14590), (2495, 11672), (2918, 9980), (3992, 7295), (4990, 5836)]