72171920

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2677}}^1$

素因数の和:3027

約数の個数: 40

約数和(自身を含む): 168360504

約数和(自身を除く): 96188584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 1348, 1685, 2677, 2696, 3370, 5354, 5392, 6740, 10708, 13385, 13480, 21416, 26770, 26960, 42832, 53540, 107080, 214160, 902149, 1804298, 3608596, 4510745, 7217192, 9021490, 14434384, 18042980, 36085960, 72171920]

約数ペア:

[(1, 72171920), (2, 36085960), (4, 18042980), (5, 14434384), (8, 9021490), (10, 7217192), (16, 4510745), (20, 3608596), (40, 1804298), (80, 902149), (337, 214160), (674, 107080), (1348, 53540), (1685, 42832), (2677, 26960), (2696, 26770), (3370, 21416), (5354, 13480), (5392, 13385), (6740, 10708)]