80915965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{65519}}^1$

素因数の和:65556

約数の個数: 16

約数和(自身を含む): 110073600

約数和(自身を除く): 29157635

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 65519, 327595, 851747, 1244861, 4258735, 6224305, 16183193, 80915965]

約数ペア:

[(1, 80915965), (5, 16183193), (13, 6224305), (19, 4258735), (65, 1244861), (95, 851747), (247, 327595), (1235, 65519)]