28935560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16823}}^1$

素因数の和:16877

約数の個数: 32

約数和(自身を含む): 66623040

約数和(自身を除く): 37687480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 16823, 33646, 67292, 84115, 134584, 168230, 336460, 672920, 723389, 1446778, 2893556, 3616945, 5787112, 7233890, 14467780, 28935560]

約数ペア:

[(1, 28935560), (2, 14467780), (4, 7233890), (5, 5787112), (8, 3616945), (10, 2893556), (20, 1446778), (40, 723389), (43, 672920), (86, 336460), (172, 168230), (215, 134584), (344, 84115), (430, 67292), (860, 33646), (1720, 16823)]