42667540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2389}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 96364800

約数和(自身を除く): 53697260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 2389, 3572, 4465, 4778, 8930, 9556, 11945, 17860, 23890, 45391, 47780, 90782, 112283, 181564, 224566, 226955, 449132, 453910, 561415, 907820, 1122830, 2133377, 2245660, 4266754, 8533508, 10666885, 21333770, 42667540]

約数ペア:

[(1, 42667540), (2, 21333770), (4, 10666885), (5, 8533508), (10, 4266754), (19, 2245660), (20, 2133377), (38, 1122830), (47, 907820), (76, 561415), (94, 453910), (95, 449132), (188, 226955), (190, 224566), (235, 181564), (380, 112283), (470, 90782), (893, 47780), (940, 45391), (1786, 23890), (2389, 17860), (3572, 11945), (4465, 9556), (4778, 8930)]