90543380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{829}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 196331520

約数和(自身を除く): 105788140

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 127, 172, 215, 254, 430, 508, 635, 829, 860, 1270, 1658, 2540, 3316, 4145, 5461, 8290, 10922, 16580, 21844, 27305, 35647, 54610, 71294, 105283, 109220, 142588, 178235, 210566, 356470, 421132, 526415, 712940, 1052830, 2105660, 4527169, 9054338, 18108676, 22635845, 45271690, 90543380]

約数ペア:

[(1, 90543380), (2, 45271690), (4, 22635845), (5, 18108676), (10, 9054338), (20, 4527169), (43, 2105660), (86, 1052830), (127, 712940), (172, 526415), (215, 421132), (254, 356470), (430, 210566), (508, 178235), (635, 142588), (829, 109220), (860, 105283), (1270, 71294), (1658, 54610), (2540, 35647), (3316, 27305), (4145, 21844), (5461, 16580), (8290, 10922)]