31395320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71353}}^1$

素因数の和:71375

約数の個数: 32

約数和(自身を含む): 77062320

約数和(自身を除く): 45667000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 71353, 142706, 285412, 356765, 570824, 713530, 784883, 1427060, 1569766, 2854120, 3139532, 3924415, 6279064, 7848830, 15697660, 31395320]

約数ペア:

[(1, 31395320), (2, 15697660), (4, 7848830), (5, 6279064), (8, 3924415), (10, 3139532), (11, 2854120), (20, 1569766), (22, 1427060), (40, 784883), (44, 713530), (55, 570824), (88, 356765), (110, 285412), (220, 142706), (440, 71353)]