9891880

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3691}}^1$

素因数の和:3769

約数の個数: 32

約数和(自身を含む): 22595040

約数和(自身を除く): 12703160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 3691, 7382, 14764, 18455, 29528, 36910, 73820, 147640, 247297, 494594, 989188, 1236485, 1978376, 2472970, 4945940, 9891880]

約数ペア:

[(1, 9891880), (2, 4945940), (4, 2472970), (5, 1978376), (8, 1236485), (10, 989188), (20, 494594), (40, 247297), (67, 147640), (134, 73820), (268, 36910), (335, 29528), (536, 18455), (670, 14764), (1340, 7382), (2680, 3691)]