201645880

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^2\times {\mathrm{1123}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 460986120

約数和(自身を除く): 259340240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1123, 1340, 2246, 2680, 4489, 4492, 5615, 8978, 8984, 11230, 17956, 22445, 22460, 35912, 44890, 44920, 75241, 89780, 150482, 179560, 300964, 376205, 601928, 752410, 1504820, 3009640, 5041147, 10082294, 20164588, 25205735, 40329176, 50411470, 100822940, 201645880]

約数ペア:

[(1, 201645880), (2, 100822940), (4, 50411470), (5, 40329176), (8, 25205735), (10, 20164588), (20, 10082294), (40, 5041147), (67, 3009640), (134, 1504820), (268, 752410), (335, 601928), (536, 376205), (670, 300964), (1123, 179560), (1340, 150482), (2246, 89780), (2680, 75241), (4489, 44920), (4492, 44890), (5615, 35912), (8978, 22460), (8984, 22445), (11230, 17956)]