13970920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3391}}^1$

素因数の和:3505

約数の個数: 32

約数和(自身を含む): 31749120

約数和(自身を除く): 17778200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 3391, 4120, 6782, 13564, 16955, 27128, 33910, 67820, 135640, 349273, 698546, 1397092, 1746365, 2794184, 3492730, 6985460, 13970920]

約数ペア:

[(1, 13970920), (2, 6985460), (4, 3492730), (5, 2794184), (8, 1746365), (10, 1397092), (20, 698546), (40, 349273), (103, 135640), (206, 67820), (412, 33910), (515, 27128), (824, 16955), (1030, 13564), (2060, 6782), (3391, 4120)]