20131682750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{30491}}^1$

素因数の和:30666

約数の個数: 64

約数和(自身を含む): 39956716800

約数和(自身を除く): 19825034050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 139, 190, 250, 278, 475, 695, 950, 1390, 2375, 2641, 3475, 4750, 5282, 6950, 13205, 17375, 26410, 30491, 34750, 60982, 66025, 132050, 152455, 304910, 330125, 579329, 660250, 762275, 1158658, 1524550, 2896645, 3811375, 4238249, 5793290, 7622750, 8476498, 14483225, 21191245, 28966450, 42382490, 72416125, 80526731, 105956225, 144832250, 161053462, 211912450, 402633655, 529781125, 805267310, 1059562250, 2013168275, 4026336550, 10065841375, 20131682750]

約数ペア:

[(1, 20131682750), (2, 10065841375), (5, 4026336550), (10, 2013168275), (19, 1059562250), (25, 805267310), (38, 529781125), (50, 402633655), (95, 211912450), (125, 161053462), (139, 144832250), (190, 105956225), (250, 80526731), (278, 72416125), (475, 42382490), (695, 28966450), (950, 21191245), (1390, 14483225), (2375, 8476498), (2641, 7622750), (3475, 5793290), (4750, 4238249), (5282, 3811375), (6950, 2896645), (13205, 1524550), (17375, 1158658), (26410, 762275), (30491, 660250), (34750, 579329), (60982, 330125), (66025, 304910), (132050, 152455)]