156983299180

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{7920449}}^1$

素因数の和:7921449

約数の個数: 24

約数和(自身を含む): 329997628800

約数和(自身を除く): 173014329620

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 19820, 7920449, 15840898, 31681796, 39602245, 79204490, 158408980, 7849164959, 15698329918, 31396659836, 39245824795, 78491649590, 156983299180]

約数ペア:

[(1, 156983299180), (2, 78491649590), (4, 39245824795), (5, 31396659836), (10, 15698329918), (20, 7849164959), (991, 158408980), (1982, 79204490), (3964, 39602245), (4955, 31681796), (9910, 15840898), (19820, 7920449)]