15768740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60649}}^1$

素因数の和:60671

約数の個数: 24

約数和(自身を含む): 35662200

約数和(自身を除く): 19893460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 60649, 121298, 242596, 303245, 606490, 788437, 1212980, 1576874, 3153748, 3942185, 7884370, 15768740]

約数ペア:

[(1, 15768740), (2, 7884370), (4, 3942185), (5, 3153748), (10, 1576874), (13, 1212980), (20, 788437), (26, 606490), (52, 303245), (65, 242596), (130, 121298), (260, 60649)]