13243640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6247}}^1$

素因数の和:6311

約数の個数: 32

約数和(自身を含む): 30365280

約数和(自身を除く): 17121640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 6247, 12494, 24988, 31235, 49976, 62470, 124940, 249880, 331091, 662182, 1324364, 1655455, 2648728, 3310910, 6621820, 13243640]

約数ペア:

[(1, 13243640), (2, 6621820), (4, 3310910), (5, 2648728), (8, 1655455), (10, 1324364), (20, 662182), (40, 331091), (53, 249880), (106, 124940), (212, 62470), (265, 49976), (424, 31235), (530, 24988), (1060, 12494), (2120, 6247)]