90506020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{8753}}^1$

素因数の和:8820

約数の個数: 48

約数和(自身を含む): 211776768

約数和(自身を除く): 121270748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 8753, 10340, 17506, 35012, 43765, 87530, 96283, 175060, 192566, 385132, 411391, 481415, 822782, 962830, 1645564, 1925660, 2056955, 4113910, 4525301, 8227820, 9050602, 18101204, 22626505, 45253010, 90506020]

約数ペア:

[(1, 90506020), (2, 45253010), (4, 22626505), (5, 18101204), (10, 9050602), (11, 8227820), (20, 4525301), (22, 4113910), (44, 2056955), (47, 1925660), (55, 1645564), (94, 962830), (110, 822782), (188, 481415), (220, 411391), (235, 385132), (470, 192566), (517, 175060), (940, 96283), (1034, 87530), (2068, 43765), (2585, 35012), (5170, 17506), (8753, 10340)]