40387928

素因数分解:

$2^3\times 7^1\times {\mathrm{721213}}^1$

素因数の和:721226

約数の個数: 16

約数和(自身を含む): 86545680

約数和(自身を除く): 46157752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 721213, 1442426, 2884852, 5048491, 5769704, 10096982, 20193964, 40387928]

約数ペア:

[(1, 40387928), (2, 20193964), (4, 10096982), (7, 5769704), (8, 5048491), (14, 2884852), (28, 1442426), (56, 721213)]