28965320

素因数分解:

$2^3\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1033}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 65328120

約数和(自身を除く): 36362800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 701, 1033, 1402, 2066, 2804, 3505, 4132, 5165, 5608, 7010, 8264, 10330, 14020, 20660, 28040, 41320, 724133, 1448266, 2896532, 3620665, 5793064, 7241330, 14482660, 28965320]

約数ペア:

[(1, 28965320), (2, 14482660), (4, 7241330), (5, 5793064), (8, 3620665), (10, 2896532), (20, 1448266), (40, 724133), (701, 41320), (1033, 28040), (1402, 20660), (2066, 14020), (2804, 10330), (3505, 8264), (4132, 7010), (5165, 5608)]