129250360

素因数分解:

$2^3\times 5^1\times {\mathrm{3231259}}^1$

素因数の和:3231270

約数の個数: 16

約数和(自身を含む): 290813400

約数和(自身を除く): 161563040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3231259, 6462518, 12925036, 16156295, 25850072, 32312590, 64625180, 129250360]

約数ペア:

[(1, 129250360), (2, 64625180), (4, 32312590), (5, 25850072), (8, 16156295), (10, 12925036), (20, 6462518), (40, 3231259)]