72615560

素因数分解:

$2^3\times 5^1\times {\mathrm{1815389}}^1$

素因数の和:1815400

約数の個数: 16

約数和(自身を含む): 163385100

約数和(自身を除く): 90769540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1815389, 3630778, 7261556, 9076945, 14523112, 18153890, 36307780, 72615560]

約数ペア:

[(1, 72615560), (2, 36307780), (4, 18153890), (5, 14523112), (8, 9076945), (10, 7261556), (20, 3630778), (40, 1815389)]