2531260

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1889}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 5397840

約数和(自身を除く): 2866580

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 1889, 3778, 7556, 9445, 18890, 37780, 126563, 253126, 506252, 632815, 1265630, 2531260]

約数ペア:

[(1, 2531260), (2, 1265630), (4, 632815), (5, 506252), (10, 253126), (20, 126563), (67, 37780), (134, 18890), (268, 9445), (335, 7556), (670, 3778), (1340, 1889)]