129103640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^2\times {\mathrm{719}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 295293600

約数和(自身を除く): 166189960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 719, 1340, 1438, 2680, 2876, 3595, 4489, 5752, 7190, 8978, 14380, 17956, 22445, 28760, 35912, 44890, 48173, 89780, 96346, 179560, 192692, 240865, 385384, 481730, 963460, 1926920, 3227591, 6455182, 12910364, 16137955, 25820728, 32275910, 64551820, 129103640]

約数ペア:

[(1, 129103640), (2, 64551820), (4, 32275910), (5, 25820728), (8, 16137955), (10, 12910364), (20, 6455182), (40, 3227591), (67, 1926920), (134, 963460), (268, 481730), (335, 385384), (536, 240865), (670, 192692), (719, 179560), (1340, 96346), (1438, 89780), (2680, 48173), (2876, 44890), (3595, 35912), (4489, 28760), (5752, 22445), (7190, 17956), (8978, 14380)]