11992840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5657}}^1$

素因数の和:5721

約数の個数: 32

約数和(自身を含む): 27497880

約数和(自身を除く): 15505040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 5657, 11314, 22628, 28285, 45256, 56570, 113140, 226280, 299821, 599642, 1199284, 1499105, 2398568, 2998210, 5996420, 11992840]

約数ペア:

[(1, 11992840), (2, 5996420), (4, 2998210), (5, 2398568), (8, 1499105), (10, 1199284), (20, 599642), (40, 299821), (53, 226280), (106, 113140), (212, 56570), (265, 45256), (424, 28285), (530, 22628), (1060, 11314), (2120, 5657)]