2007640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{947}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 4607280

約数和(自身を除く): 2599640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 947, 1060, 1894, 2120, 3788, 4735, 7576, 9470, 18940, 37880, 50191, 100382, 200764, 250955, 401528, 501910, 1003820, 2007640]

約数ペア:

[(1, 2007640), (2, 1003820), (4, 501910), (5, 401528), (8, 250955), (10, 200764), (20, 100382), (40, 50191), (53, 37880), (106, 18940), (212, 9470), (265, 7576), (424, 4735), (530, 3788), (947, 2120), (1060, 1894)]