31358903480

素因数分解:

$2^3\times 5^1\times {\mathrm{21031}}^1\times {\mathrm{37277}}^1$

素因数の和:58319

約数の個数: 32

約数和(自身を含む): 70562780640

約数和(自身を除く): 39203877160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21031, 37277, 42062, 74554, 84124, 105155, 149108, 168248, 186385, 210310, 298216, 372770, 420620, 745540, 841240, 1491080, 783972587, 1567945174, 3135890348, 3919862935, 6271780696, 7839725870, 15679451740, 31358903480]

約数ペア:

[(1, 31358903480), (2, 15679451740), (4, 7839725870), (5, 6271780696), (8, 3919862935), (10, 3135890348), (20, 1567945174), (40, 783972587), (21031, 1491080), (37277, 841240), (42062, 745540), (74554, 420620), (84124, 372770), (105155, 298216), (149108, 210310), (168248, 186385)]