71180680

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{16631}}^1$

素因数の和:16749

約数の個数: 32

約数和(自身を含む): 161663040

約数和(自身を除く): 90482360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 16631, 33262, 66524, 83155, 133048, 166310, 332620, 665240, 1779517, 3559034, 7118068, 8897585, 14236136, 17795170, 35590340, 71180680]

約数ペア:

[(1, 71180680), (2, 35590340), (4, 17795170), (5, 14236136), (8, 8897585), (10, 7118068), (20, 3559034), (40, 1779517), (107, 665240), (214, 332620), (428, 166310), (535, 133048), (856, 83155), (1070, 66524), (2140, 33262), (4280, 16631)]