28319560

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10567}}^1$

素因数の和:10645

約数の個数: 32

約数和(自身を含む): 64676160

約数和(自身を除く): 36356600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 10567, 21134, 42268, 52835, 84536, 105670, 211340, 422680, 707989, 1415978, 2831956, 3539945, 5663912, 7079890, 14159780, 28319560]

約数ペア:

[(1, 28319560), (2, 14159780), (4, 7079890), (5, 5663912), (8, 3539945), (10, 2831956), (20, 1415978), (40, 707989), (67, 422680), (134, 211340), (268, 105670), (335, 84536), (536, 52835), (670, 42268), (1340, 21134), (2680, 10567)]